How did the conservationist John Muir contribute to the protection and management of resources in the US?
Conservationist John Muir was personally involved in the struggle to create Yosemite National Park in 1890.
What did John Muir do?John Muir played a key role in changing this perspective by proposing the preservation of natural areas with a focus on their
environmentalscientific and educational aspects.Muir recognized the importance of ecosystems and their interrelationships for the maintenance of life on the planet, while he saw man as part of the natural world, not the center of it.
With this information, we can conclude that conservationist John Muir was personally involved in the struggle to create Yosemite National Park in 1890.
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What is responsible for the layering effect in planetary formation?
Answer:
The stratification of Earth into its geologic layers was brought about by the formation of the Earth's iron core. The iron core was generated by a combination of radioactive decay and gravitation, which raised the temperature enough for molten iron to form.
Explanation:
what is science and what is momentum
Answer:
science is the use of technology and momentum is conserved in school
Some weight-loss diets are believed to speed up the body's metabolism to help a person lose weight quickly. Other diets rely on very low-calorie intake for rapid weight loss. Is it important, when changing one's diet, to know how the cells in your body will react to the introduction of new substances or removal of other substances?
Answer:
It is super important
Explanation:
It is critically important that one must know how and what your body needs before introducing new things or removing old things. For eg. people tend to go on keto diets (high fats). But, one must know that our brain neurons require very high energy and need constant sugar. Therefore, if you intake very low sugar in keto diet, you might actually harm yourself more than benefit.
do you think that all living organisms show all of the characteristics of living organisms of all time?
A good conclusion restates the hypothesis so that the reader
does not have to return to the beginning of the report.
sees how the scientist applied the results to the hypothesis.
understands how the methods relate to the hypothesis.
recognizes that the hypothesis was correct.
Answer:
a VALID conclusion proves a hypothesis until other data disputes or proves otherwise, and requires high degree scientific integrity in methodology to produce reliable results over time through replicated experiments ..
Which agents cause diseases like yellow fever, encephalitis and measles
Answer:
viruses
Explanation the disease-causing agents take over the machine of the cells and use it to reproduce
Two moths of the same species are colored the same shade of brown and inhabit the same forest. One has the genotype BB and the other Bb. Their genotypes are different; their survival rate could be expected to be
a. the same since natural selection works on phenotype
b. different since natural selection works on genotype
c. the same since genotype and phenotype do not matter in natural selection
d. different since natural selection works on phenotype
Answer:
A. the same since natural selection works on phenotype
Explanation:
Natural selection acts on the phenotype, not the genotype. But it can cause changes in the genotype.
A resident needs isolation precautions. Which will meet the person’s basic needs? Visiting the person as little as possible to prevent transmission Saying hello from the doorway Letting them know the scheduled for the activity room that day Getting out of the person’s room as quickly as possible
The person’s basic needs Visiting the person as little as possible to prevent transmission. Thus, option "A" is correct.
What can you do to help meet the psychosocial needs of a resident in transmission-based?Provide as much mental stimulation as possible by offering activities that the residents enjoy.
The people who are ensuring transmission-based precautions are required to feel mental peace. Mental anxiety, fear of infection, and stress can be some of the reasons for mental disturbances.
For such people, mental stimulation is necessary by allowing them to participate in recreational activities like fun indoor games.
Such activities will divert their mind from all the reasons for mental anxiety and people will feel relaxed.
Thus, option "A" is correct.
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A state cooperative extension in a high-humidity, subtropical climate zone is most likely to prioritize offering information about which of the following crops
Wheat
Apples
Hardy bulbs
Cutrus
Answer:
citrus
Explanation:
I just did the assignment
2 An atom has 9 protons, 10 electrons, and 10 neutrons.
Answer:
the element is potassium
what important services do forest provide? how might their destruction have an effect on humans?
Answer:
the most important service the forest provides I think is that they filter out polluted air and turns it into clean air
Another kind of mutation is genetic, and it is caused by small changes in an organism’s DNA. A change in a base pair is a mutation. This can cause the wrong protein to be made during protein synthesis. Which of the following are causes of mutations?
1. DNA sequence
2. Deletion
3. Subscription
4. DNA replication
Answer:
Deletion sorry if i am wrong
Explanation:
What happens during S Phase?
A. Cytoplasm is manufactured
B. The Cell splits in two
C. DNA separates into two nulclei
D. Chromosomes are duplicated
Which of the following works with the endocrine system and the nervous system?
a.
hypothalamus
b.
parathyroid glands
c.
pituitary gland
d.
thyroid gland
Hypothalamus works with the endocrine system and the nervous system. Thus, the correct option is A.
What is endocrine system?Endocrine system is the hormone-producing glands and organs release hormones directly into the bloodstream, allowing them to travel to tissues and organs throughout the body.
In the brain's, lower center region, The hypothalamus is present. It is a link between the endocrine and neurological systems. Chemicals produced by nerve cells in the hypothalamus regulate the release of hormones generated by the pituitary gland.
The hypothalamus collects data from the brain (such as ambient temperature, light exposure, and feelings) and delivers it to the pituitary gland. This information has an impact on the hormones produced and released by the pituitary gland.
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help marking brainliest
Answer:
option A is the metaphase and option E is the telophase
Which of the following is not a function of carbohydrates?
storage
structure
genetic material
energy
Answer:
I believe it should be structure.
Explanation:
(40 points) Look at the diagram below. Which animals are most closely related? Which animals are least closely related? Explain your answer.
Answer:
The most closely related are amphibians and reptiles.
The least related are amphibians and mammals
Explanation:
Amphibians broke off from reptiles, birds, and mammals around 260 millions years ago and next up are the reptiles which broke off around 225 million years ago. So they are the most closely related
Mammals are the last to break off, around 200 million years ago. So they are the least related to amphibians.
The distractive of what cell function leads to deemitations that result in cancer
Answer:
DNA repair genes are involved in fixing damaged DNA. Cells with mutations in these genes tend to develop additional mutations in other genes and changes in their chromosomes, such as duplications and deletions of chromosome parts. Together, these mutations may cause the cells to become cancerous.
Explanation:
what is inertia and how it is solved
Answer:
The inertia is directly proportional to the mass of the object or to the velocity if the object is in motion. According to Newton's first law of motion, an object not subjected to any net external force moves at constant velocity and will continue to do so until some force causes its speed or direction to change.
How did dark brown skin evolve from our ancient early ancestors?
Answer:
Image result for How did dark brown skin evolve from our ancient early ancestors?
Evolution. Due to natural selection, people who lived in areas of intense sunlight developed dark skin colouration to protect against ultraviolet (UV) light, mainly to protect their body from folate depletion. Evolutionary pigmentation of the skin was caused by ultraviolet radiation of the sun.
Explanation:
Hope it helps!
A microscopic image of plant cells is shown. An arrow points to the cell membrane.
Which is a function of the cell structure that is labeled X?
Answer:
The function of cell membrane is to allow only certain substances to go in or out the cell.
Give two reasons-
Bacteria can be considered as a chain between animals and plants
Bacteria can be considered as a chain between animals and plants because it give benefits both plant and animal.
What is unique about bacteria?Bacteria has unique features that can benefits both plant and animal. Bacteria like Rhizobium make soil fertile for plants whereas Lactobacillus bacteria help to convert milk into curd.
So we can conclude that Bacteria can be considered as a chain between animals and plants because it give benefits both plant and animal.
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when a tall male with a genotype of Tt is crossed with a tall female with a genotype of Tt what is the probability that they will produce offspring with a phenotype of being tall?
0%
25%
75%
50%
Which organelle is labeled H?
cell membrane
cell wall
endoplasmic reticulum
nucleus
Cellulose is found throughout the cell walls of plant cells. Cellulose makes cell walls rigid, which indicates that cellulose is a
carbohydrate.
lipid.
nucleic acid.
protein.
Answer:
Carbohydrate
Explanation:
Cellulose is a polysaccharide composed of a linear chain of β-1,4 linked d-glucose units so it is a carbs
3. Provide examples from your model of conservation of matter through Earth's spheres.
4. Identify the limitations of your carbon model in accounting for all of Earth's carbon.
3. Matter is lost on earth but energy is transformed from one form to another. The ultimate source of energy is the sun and then its is transformed from one form to another. The matter is not converted from one form to another form, it gets destroyed as the plant and dies. So, we can say the energy is conserved on earth but the matter gets destroyed.
4. The carbon model is the flow and the movement of the carbon and its compound in the atmosphere. Climate change is the limitation of the carbon model.
What is climate change?A climate change is a variation in the weather and the climate pattern due to a change in temperature and other atmospheric factors. It will lead to a transformation in the flow of carbon in the environment.
Increased carbon in surroundings increases temperature and results in a change in seasons and humidity levels, leading to changes in the rainfall.
Therefore, climate change is the limitation of the carbon model.
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what Substance is released by your body when infected and causes thermostat of the body to go up and to cause fever?
Answer:
protein and polysaccharide substances called pyrogens, released either from bacteria or viruses or from destroyed cells of the body, are capable of raising the thermostat and causing a rise in body temperature.
Explanation:
protein and polysaccharide substances called pyrogens, released either from bacteria or viruses or from destroyed cells of the body, are capable of raising the thermostat and causing a rise in body temperature.
Humans need gasoline for transportation, but burning
gasoline releases many pollutants. City governments can
set policies to decrease the amount of gasoline their
citizens use.
Which two policies would be most likely to decrease a city's gasoline use?
A. Creating pedestrian-only areas
B. Lowering the cost of gasoline
C. Building a mass transit system
D. Limiting the use of street lights
Answer:
B and C
Explanation:
Activity: Climate-Change Essay
Hello Teresa,
Goal: Write an essay about your opinion on anthropogenic global warming. The paper should be at least three pages long and typed, following MLA format.
The following should be included in the essay:
Your opinion on global warming and climate change
.
Scientific studies to support your opinion (Choose specific aspects such as solar maximums, ice-core samples, computer modeling, etc.)
.
At least three sources of scientific studies with notes about who funded and published the research (How does the funding and publishing of the rese
Descriptions of potential causes and potential consequences of global warming and climate change
.
At least five recommendations for the future
Carbon dioxide (CO2) is the most significant of the greenhouse gases. Volcanic outgassing, organic matter burning and natural decay, and aerobic (oxygen-using) organisms' respiration are all natural sources of atmospheric CO2. On average, these sources are counterbalanced by a collection of physical, chemical, or biological processes known as "sinks," which remove CO2 from the atmosphere. Terrestrial flora, which absorbs CO2 during the photosynthesis process, is a significant natural sink.
What is the normal level of CO2 in the atmosphere?CO2 levels in the air and probable health issues are as follows: The average outdoor air level is 400 parts per million. 400–1,000 ppm: typical concentration found in inhabited spaces with adequate ventilation. Drowsiness and poor air quality are linked to levels of 1,000–2,000 ppm.
Human activities, on the other hand, increase atmospheric CO2 levels primarily through the combustion of fossil fuels—primarily oil and coal, and secondarily natural gas—for transportation, heating, and electrical power generation, as well as the creation of cement. Forest fires and land clearing are two further examples of anthropogenic origins.
Anthropogenic emissions currently account for around 7 gigatons (7 billion tons) of carbon released into the atmosphere each year. Anthropogenic CO2 emissions account for about 3% of total CO2 emissions from natural sources, and this magnified carbon burden from human activities far surpasses natural sinks' balancing capacity (by as much as 2–3 gigatons per year).
Effects:Sea levels are rising, and the oceans are warming. Droughts that last longer and are more intense endanger crops, wildlife, and freshwater supplies. The richness of life on our world is threatened by climate change, from polar bears in the Arctic to sea turtles off the coast of Africa.
Ways to reduce global warming?
Improvements to energy efficiency and vehicle fuel economy, increases in wind and solar power, biofuels from organic waste, setting a price on carbon, and protecting forests are all potent ways to reduce the amount of carbon dioxide and other gases trapping heat on the planet.
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