Radioactivity is useful for geologic dating because certain radioactive isotopes undergo predictable decay over time, allowing scientists to measure the abundance of parent and daughter isotopes in rocks and minerals.
By comparing the ratio of parent isotopes to daughter isotopes, scientists can determine the age of the material. This method, known as radiometric dating, provides a reliable means to determine the absolute age of rocks and minerals, helping in the understanding of Earth's geological history and processes.
Different isotopes have varying half-lives, which range from thousands to billions of years, providing dating capabilities for different geological time scales. The use of radioactivity in geologic dating provides valuable insights into the age and chronology of Earth's formations.
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Complete question
Why radioactivity is useful for geologic dating?
Why do you think the population
density is so high in the UK?
Answer:i have no clue
Explanation:
What are 3 types of biomes and give a brief description of one.
please help i will give brainliest and 5 * and 10 points for the best answer
i don't want to see an link
if i do you will be reported
Answer:
1. A tundra is a type of biome where the tree growth is hindered by low temperatures and short growing seasons.
2. A savanna or savannah is a mixed woodland-grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close.
3. An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea.
Analyze the map and use your knowledge to answer the question that follows. Map is pictured below.
Which is not a country of Latin America?
in your opinion, is this a successful case of humans controlling nature? mississippi
The Mississippi River is a natural feature that spans a vast region in the United States, and humans have indeed made significant efforts to control and manage its flow for various purposes.
The Mississippi River is a major river in North America, spanning over 2,300 miles from its source in Lake Itasca, Minnesota, to its mouth at the Gulf of Mexico. It holds great historical, cultural, and economic significance. Known as the "Father of Waters," the Mississippi has played a vital role in shaping the region it flows through.
The river served as a crucial transportation route for Native American tribes and European explorers, facilitating trade and settlement in the heartland of the United States. It became a vital artery for steamboat traffic in the 19th century, enabling the expansion of commerce and the movement of goods. The Mississippi River basin is an ecological marvel, supporting diverse ecosystems and a rich biodiversity. It sustains numerous plant and animal species, including migratory birds, fish, and wetland vegetation.
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Which one of the following is not an advantage of urban agriculture
Answer: C.
Explanation:
When two plates that differ in _______ collide, volcanoes often form nearby.
Answer:
thickness
Explanation:
source: quizlet.com
Answer:Density
Explanation: just choose that one
Define what a map is
Answer:
Map actually has different definitions depending on what is the context.
Here are the definitions:
1. a diagrammatic representation of an area of land or sea showing physical features, cities, roads, etc.
2. a person's face
3. represent (an area) on a map; make a map of.
Which of the following radiation detection methods , which uses
a superheated liquid?
a. could champer
b. electroscope
c. bubble chamber
The radiation detection method that uses a superheated liquid is Bubble chamber.
What is radiation detection?
Radiation detection is the science of detecting ionizing radiation, including gamma rays, alpha and beta particles, and neutrons. Radiations are detected by devices called radiation detectors, which can convert radiation energy into measurable electric pulses.
There are various types of radiation detectors that are used to detect radiation, such as Geiger counter, Scintillation detector, Ionization chamber, and Bubble chamber.What is a bubble chamber?A bubble chamber is a device used to observe subatomic particles in a liquid medium. It was developed in the 1950s and 60s, but has since been mostly replaced by more modern technologies such as the electronic particle detector.
In a bubble chamber, subatomic particles pass through a superheated liquid and leave a trail of ionization behind them. This ionization causes the liquid to boil along the path of the particle, creating a trail of bubbles that can be photographed.
By analyzing the properties of the bubbles, scientists can determine the characteristics of the particle that created them.In the given options, the radiation detection method that uses a superheated liquid is the bubble chamber. Therefore, the correct option is option c) Bubble chamber.
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The radiation detection method which uses a superheated liquid is option (c) Bubble Chamber. The Bubble Chamber is a device that was used for studying particle physics in the mid-20th century.
A superheated liquid, typically liquid hydrogen, is used in the bubble chamber to detect and observe charged particles moving through it. The following radiation detection methods use a superheated liquid: The Bubble Chamber is a radiation detection device that uses a superheated liquid to detect charged particles moving through it. As the particles move through the liquid, they create small bubbles that can be observed and studied. The Bubble Dosimeter is a device that uses a superheated liquid to measure the amount of radiation exposure that a person has received. The device is filled with a superheated liquid that is sensitive to radiation, and when radiation is absorbed by the liquid, it causes bubbles to form that can be counted to determine the amount of exposure. The Superheated Emulsion Detector is a device that uses a superheated liquid to detect high-energy particles. The device is filled with a superheated liquid that is sensitive to high-energy particles, and when a particle passes through the liquid, it causes a chain reaction of bubbles to form that can be observed and studied. In summary, the Bubble Chamber is a radiation detection method that uses a superheated liquid. The device was used in the mid-20th century to study particle physics by detecting and observing charged particles moving through the liquid.
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Explain what causes the seasons on Earth: name two things that make it hotter in the summer, versus cooler in winter. How do seasons in the northern hemisphere differ from those in the southern hemisphere, in terms of time of year? Does distance from the Sun play a role in our seasons? If Earth were tilted completely on its side, how would our seasons differ- would we have any?
The seasons on Earth are caused by the tilt of its axis as it orbits the Sun. Two factors that make it hotter in the summer and cooler in winter are the angle of sunlight and the length of daylight hours.
The tilt of Earth's axis is the primary cause of the seasons. As Earth orbits the Sun, different parts of the planet receive varying amounts of sunlight throughout the year. During summer in a particular hemisphere, that hemisphere is tilted towards the Sun, resulting in more direct sunlight, longer daylight hours, and warmer temperatures. In contrast, during winter, the hemisphere is tilted away from the Sun, leading to less direct sunlight, shorter daylight hours, and cooler temperatures.
In the northern hemisphere, summer occurs around June solstice, while winter occurs around December solstice. In the southern hemisphere, the seasons are reversed, with summer occurring around December solstice and winter around June solstice.
This is because when it is summer in one hemisphere, it is winter in the other due to the opposite tilt of the hemispheres towards or away from the Sun.
Although distance from the Sun does have a small effect on seasons, it is not the primary factor. Earth's elliptical orbit does cause it to be slightly closer to the Sun during its winter in the northern hemisphere. However, the angle of sunlight and the length of daylight hours are the main contributors to the variation in seasons.
If Earth were completely tilted on its side, there would be no distinct seasons. Without the tilt, the angle of sunlight would remain constant throughout the year, resulting in a more uniform distribution of sunlight and temperature across the planet. The variation in seasons as we know them would be eliminated.
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A full paragraph about how drinking is harmful is just stay the same age limit
Answer: Excessive drinking by adolescents aged 20 and younger has been related to brain injury and impaired brain function, according to medical studies. Early drinking before the age of 21 raises the risk of potential substance misuse, traffic accidents, and attacks, among other alcohol-related concerns.
Answer:
Here's a thesis to get you started! Hope this helps.
Explanation:
Thesis:
Drinking is harmful to people of all ages because it deteriorates your motor skills it spikes your blood sugar levels.
Cosmological models indicate that the dark matter in the Universe is because the Universe Fill in for the first blank O Baryonic Hot O Cold Fill in for the second blank Has no small structures. has lots of undetected black holes. exhibits structures on scales from dwarf galaxies to galaxy supercluster. O is very cold.
Cosmological models indicate that the dark matter in the Universe is because the Universe is very cold and has no small structures.
This is in contrast to baryonic matter, which consists of ordinary atoms and is usually hot. Dark matter is believed to account for most of the mass in the universe, making up about 85 percent of all matter. It is also believed to be the main component responsible for the formation of large-scale structures, such as galaxies and cosmic filaments.
Since dark matter does not interact with light, it is difficult to observe directly. Astronomer rely on data from gravitational lensing observations and cosmological simulations to infer the distribution and properties of dark matter in the Universe. In conclusion, dark matter has multiple implications for understanding the composition and evolution of the Universe.
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Mountains, plateaus, and plains are types of _____.
magma
crust
ridges
land forms
What body systems that are most directly responsible for delivering oxygen to an animal's cells
Answer:
The respiratory and circulatory systems, for example, work together to provide oxygen to cells and remove carbon dioxide produced by the cells. The circulatory system takes oxygen from the lungs and delivers it to the tissues, then reverses the process with carbon dioxide.
Submit a 1-2 page paper addressing the following questions:
What pros and cons do you see for globalization? Why?
What changes to globalization would you like to see? Why?
Some changes in globalization would be to have stricter environmental regulations to prevent environmental degradation, improve working conditions, and promote workers' rights to prevent exploitation.
Here are some of the pros and cons of globalization:
Pros of globalization:Increased economic growth: Globalization has provided more significant opportunities for companies and businesses to grow their products and services. It has created markets for more goods and services in different countries and created employment opportunities for people in several countries.Rapid advancement in technology: Technological advancements, innovations, and investments have improved the quality of life of people around the world. For example, the internet has made communication faster and easier, making it possible for people to connect with anyone worldwide.Increased standard of living: Globalization has improved the standard of living of people in various countries. For instance, by providing access to new products, advanced medical technologies, and educational opportunities.Cons of globalization:Exploitation of workers: Globalization has led to an increase in the exploitation of workers in developing countries. Multinational corporations use sweatshops to produce goods at the lowest possible cost, leaving workers with meager wages and poor working conditions.Environmental degradation: Globalization has led to increased environmental degradation and pollution. Multinational corporations move their production to countries with weaker environmental regulations and standards. It results in the degradation of natural resources and pollution, leading to environmental problems.Globalization leads to the concentration of power and wealth in the hands of a few individuals or countries. It can result in the marginalization and exclusion of people, particularly in developing countries. In conclusion, some changes in globalization would be to have stricter environmental regulations to prevent environmental degradation, improve working conditions, and promote workers' rights to prevent exploitation.
Developing countries can also be given more voice in international trade negotiations. Doing so will ensure that everyone benefits from the opportunities presented by globalization.
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what are two ways we can detect interstellar dust clouds?
Interstellar dust is dust that exists between the stars in a galaxy. It consists of tiny particles of carbon, silicon, and other elements.
Here are two ways we can detect interstellar dust clouds:
1. Absorption Spectroscopy: Absorption spectroscopy is a technique for detecting the presence of interstellar dust. This method is based on the fact that when light from a star passes through interstellar dust, some of it is absorbed by the dust. This absorption produces dark lines in the spectrum of the star, which can be used to determine the properties of the dust.
2. Scattering of Light: The second method for detecting interstellar dust clouds is by observing the way they scatter light. Interstellar dust clouds scatter light in a way that produces a distinctive pattern of brightness and polarization. By observing this pattern, astronomers can determine the size, shape, and composition of the dust particles in the cloud.
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What type of basin is shown in this figure?
A. passive margin
B. normal-fault basin
C. foreland basin
D. basin along a strike-slip fault
The type of basin that is shown in the figure that has the terms "margin," "foreland," and "basin" is the C.
foreland basin.Foreland basins are the geographical depression located between a thrust belt and an eroded mountain range that are developed when the rock formations between them are distorted and thrust up.
Foreland basins are important because they contain a record of the geologic history of mountain-building activity.Furthermore, foreland basins can be formed on continents, and they are most often found at the location where the continental crust meets an oceanic or island arc crust. They are typically long and narrow.
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How would an object in Earth's atmosphere be deflected as a result of Earth's rotation? How would an object in Earth's atmosphere be deflected as a result of Earth's rotation? to the left in the Northern Hemisphere, and to the left in the Southern Hemisphere to the right in the Northern Hemisphere, and to the left in the Southern Hemisphere to the left in the Northern Hemisphere, and to the right in the Southern Hemisphere to the right in the Northern Hemisphere, and to the right in the Southern Hemisphere
Answer:
to the right in the Northern Hemisphere, and to the left in the Southern Hemisphere
Explanation:
Rotation is the movement that the earth makes around itself every day, allowing for different times between day and night in the two hemispheres. Like the earth, the bodies are also in motion, but the force of inertia present in them causes an effect known as the Coriolis Force, which is the inertial force present in these bodies. The effect of the Coriolis force is perpendicular to the movement and this interferes with the way an object would be deflected by the rotation movement. In this case, the coriolis force would induce an object to be deflected to the right in the northern hemisphere and to the left in the southern hemisphere.
true or false: the wave heights (10 meters) of the 2011 japan tsunami were unprecedented in japan's history, and thus it is understandable that they were not prepared for it
the statement '' The wave height of the 2011 tsunami (10 meters) was unprecedented in Japan's history, so it's no surprise that we were unprepared.'' is true because Wave heights exceeded coastal defense design criteria based primarily on historical data and minor tsunamis.
The tsunami was caused by a powerful undersea earthquake off the northeast coast of Japan on March 11, 2011. Known as the Great East Japan Earthquake, the earthquake had a magnitude of 9.0, making it one of the strongest earthquakes ever recorded.
The tsunami caused by the earthquake reached heights of up to 40 meters (131 feet) in some areas along the coast of Japan. The average wave height was about 10 meters (33 feet), but still considerably larger than any tsunami Japan has experienced in recent years. Japan is a country prone to earthquakes and tsunamis, and has taken extensive disaster prevention measures. However, the enormity of the 2011 tsunami surprised many.
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what was the first sign that the organisms found on the meteor were not from earth
Answer:
What was the first sign that the organisms found on the meteor were not from Earth? The organism cells were multipying and evolving into a multicellular organism veri quickly.
Explanation:
Done it before! :3
2. Is the Moon getting closer or farther away from the Sun (angles, not distances)? After 2 weeks the Moon will be AFTER Full. Would you be able to see the Moon at Sunset then? Sunrise? Explain
The moon is getting farther away from the sun (angles, not distances). After 2 weeks, the Moon will be AFTER Full. You would not be able to see the Moon at Sunset then.
Sunrise, however, you could see the Moon.
Explanation:It is impossible for the moon to get closer to the sun since the moon orbits the Earth. The Earth orbits the sun, which creates an apparent angle between the Moon and the Sun that changes throughout the lunar cycle.
This angle changes every day, making it appear as though the Moon is moving closer or further away from the Sun in the sky.The Full Moon occurs when the Moon is on the opposite side of the Earth from the Sun. After two weeks, the Moon will be on the same side of the Earth as the Sun.
This means it will be a New Moon, and you will not be able to see it at sunset. At sunrise, however, you could see the Moon since it will be visible in the morning sky before the Sun rises.
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why didn't lincon free slaves in all of the united states
Answer:
The Civil War was fundamentally a conflict over slavery. However, the way Lincoln saw it, emancipation, when it came, would have to be gradual, as the most important thing was to prevent the Southern rebellion from severing the Union permanently in two.
Explanation:
Answer:
The way Abraham Lincoln saw it, emancipation needed to be gradual. He thought this because at the time, the most important thing was to prevent the Southern rebellion from severing the Union permanently in two.
How was the pompeii discovered?
Answer: Pompeii was first rediscovered in 1599 by Domenico Fontana.
Explanation: He was digging for a new course for a river when he found the city.
A supernova remnant is now 2.65 pc in radius and is expanding at 4,100 km/s. Approximately how many years ago did the supernova occur? (Note: 1 pc = 3.1 ✕ 1013 km and 1 yr = 3.2 ✕ 107 s.) years ago
A supernova remnant is now 2.65 pc in radius and is expanding at 4,100 km/s. Approximately 625 years ago the supernova occur.
We have the given data of a supernova remnant as the radius and the velocity of expansion. We need to find the time since the occurrence of the supernova. The time when a supernova occurred can be calculated from the current radius of the supernova remnant and its rate of expansion.
In the given scenario, a supernova remnant has a radius of 2.65 pc, and it is expanding at a rate of 4,100 km/s.
The equation to find the distance covered by the supernova remnant after a time t is given as:
r = vt
where
r is the distance covered
v is the velocity
t is the time
Therefore, the time taken to travel a distance r at a velocity v is given as:
t = r/v
Here, we have the radius as 2.65 pc and the velocity as 4100 km/s. The radius needs to be converted into km as the velocity is in km/s.
1 pc = 3.1 × 1013 km
So,
2.65 pc = 2.65 × 3.1 × 1013 km
= 8.215 × 1013 km
Now, we have:
r = 8.215 × 1013 km
v = 4100 km/s
Substituting the values in the formula we get:
t = r/v
= (8.215 × 1013 km) / (4100 km/s)
= 2 × 1010 s
Now, we need to convert this time into years.
1 yr = 3.2 × 107 s
Therefore, the time in years
= 2 × 1010 s / (3.2 × 107 s/yr)
≈ 625 years
Thus, the supernova occurred approximately 625 years ago.
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beach sand moves along the shore in a movement of materials called spit organization. T/F
No, the above statement is false. Beach sand does not move along the shore in a movement of materials called "spit organization."
Spit formation refers to the deposition of sediment along a coastline in a linear or hook-shaped feature. It occurs when longshore drift, the movement of sediment along the shoreline due to wave action, transports sediment and deposits it in a protruding formation. This creates a spit, which is typically composed of sand or gravel.
However, the movement of beach sand along the shore is primarily influenced by the action of waves, tides, and currents. This movement, known as longshore drift, is responsible for the lateral transport of sediment along the coast. Longshore drift can result in the erosion of sand from one area and the deposition of sand in another, leading to changes in the shape and size of beaches over time.
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maximizing utilization of each resource pool is an exercise in futility. T/F
The statement "Maximizing utilization of each resource pool is an exercise in futility." is false as maximizing utilization can help in improving efficiency.
In certain circumstances, maximizing the use of each resource pool can be a good objective. Depending on the organization's goals and the particular context. Maximizing resource use occasionally can result in greater effectiveness, cost savings, and better overall performance.
It is crucial to remember that pursuing maximum utilization blindly without taking other aspects like flexibility, resilience and sustainability into account can have unfavorable effects. Striking a balance and taking into account the trade offs between resource use, productivity and the organization's long term objectives is crucial.
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"Latitude is the most important factor in determining temperature". Support your answer.
Answer:
please give me brainlist and follow
Explanation:
Many factors influence the climate of a region. The most important factor is latitude because different latitudes receive different amounts of solar radiation. The Equator receives the most solar radiation. ... Sunlight filters through a thick wedge of atmosphere, making the sunlight much less intense.
which of the following lists accurately reflects an increase in grain size from smallest to largest? choose one: a. sand, cobbles, pebbles b. silt, mud, sand c. mud, silt, sand d. sand, silt, pebbles
Mud, silt, sand. The grain size of sedimentary particles is usually measured using the Wentworth grain size scale.
The correct answer is option c.
This scale is divided into categories based on the particle size dimensions. The smallest particles included in this scale are mud, then silt, then sand, then pebbles, then cobbles. The scale continues up to boulders which are the largest particle size.
Mud is composed of very fine particles and has a particle size diameter of 0.001 – 0.004. Silt is composed of slightly larger particles and has a particle size diameter of 0.004 – 0.062. Sand is composed of slightly larger particles and has a particle size diameter of 0.062 – 2.00. Once the particle size is larger than 2.00, the particles are referred to as pebbles, cobbles, and boulders.
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Which of the following is not an example of methods used for short-term climate reconstructions? lake core analysis ocean sediment core analysis dendrochronology cave formation (speleothem) analysis carbon isotope analysis
Among the provided options, carbon isotope analysis is not an example of methods used for short-term climate reconstructions.
The other methods mentioned, including lake core analysis, ocean sediment core analysis, dendrochronology, and cave formation (speleothem) analysis, are commonly employed techniques for reconstructing short-term climate variations. Carbon isotope analysis, on the other hand, is typically used to study carbon cycling, sources, and sinks, but it is not a primary method for directly reconstructing short-term climate variations.
Dendrochronology utilizes tree rings to reconstruct past climate conditions, as the width and characteristics of tree rings can provide insights into temperature and precipitation patterns. Cave formation (speleothem) analysis involves studying the growth and composition of mineral deposits in caves, which can offer information about past climate changes.
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Of the options below, which is an example of a point source of water pollution? a. Salt from road de-icing is swept into the city's storm sewers. b. A housing development is built over a garbage dump that was buried and abandoned c. A rainstorm flushes litter and pet waste from surrounding parks into a nearby lake. d. Fertilizers and pesticides from the valley's farming operations seep into groundwater
The correct answer is a. Salt from road de-icing is swept into the city's storm sewers.
A point source of water pollution refers to a specific and identifiable location where pollutants enter a water body. In this case, the salt from road de-icing being swept into the city's storm sewers is a clear example of a point source of water pollution. The source of pollution, in this case, is localized and can be traced back to the specific location where road salt is applied. The storm sewers act as a conduit, carrying the saltwater runoff directly into nearby water bodies, such as rivers or lakes, leading to potential water pollution.
The other options listed do not represent point sources of water pollution.
b. A housing development built over a garbage dump represents a potential source of groundwater contamination but is not a point source that directly releases pollutants into a specific water body.
c. A rainstorm flushing litter and pet waste from surrounding parks into a nearby lake is an example of non-point source pollution, as it involves the runoff from a larger area rather than a specific point of discharge.
d. Fertilizers and pesticides seeping into groundwater from farming operations represent a diffuse source of pollution rather than a specific point source.
Therefore, option a. Salt from road de-icing being swept into the city's storm sewers is the example that best fits the definition of a point source of water pollution.
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Answer:Of the options below, which is an example of a point source of water pollution?
Salt from road de-icing is swept into the city’s storm sewers.
Fertilizers and pesticides from the valley’s farming operations seep into groundwater.
A housing development is built over a garbage dump that was buried and abandoned.
A rainstorm flushes litter and pet waste from surrounding parks into a nearby lake.
Explanation:
Correct Answer:
A housing development is built over a garbage dump that was buried and abandoned.
Explain how mining contributes to industrialization
Explanation:
Mining creates employment opportunities to curb the ravaging effects of less productivity of labour while contributing to an ultimate economic growth. Also, mining acts as economic catalyst for enhancing increased linkages of domestic firms for capacity augmentation.follow me entrust