true
Explanation:
Electrons have a negitive, while protons have a positive change. protons and electrons have the same size, theybare just opposite. hope this helps!
Answer:
True
Explanation:
Electrons negative, Protons Positive.
Fossils change through a section of rocks because ______. Multiple choice question. each species has its own level of magnetism, with some species being magnetically drawn closer to Earth's core different species were alive during different periods of time the heavier fossils move to the bottom of the rock layers, and the lighter fossils remain closer to the surface
Which process plays an important role in the cycling of both carbon and nitrogen?
photosynthesis
transpiration
decomposition
respiration
Answer:
C decomposition
Explanation:
I took the test
The observations Charles Darwin's work after he returned home from his voyage and studying the selective breeding of pigeons prompted him to ask which question?
Answer:
D. Can selection in nature also lead to a new species over time?
Explanation:
D 1. Which characteristic is not shown by all living organisms
A. excretion
B. movement
C.photosynthesis
D. respiration
Answer:
Photosynthesis
It only happens in plants but not animals.
why are triyglycerides and phospholipids not described as polymers
Answer:
Fatty acids are lipid monomers that consist of a hydrocarbon chain with a carboxyl group attached at the end. Fatty acids form complex polymers such as triglycerides, phospholipids, and waxes. Steroids are not considered true lipid polymers because their molecules do not form a fatty acid chain.
Explanation:
Before harvesting your vegetables,Why is it important to check first the maturity?
Answer: The quality of vegetables does not improve after harvest so it is important to gather crops at proper maturity. At this point vegetables are at their peak for flavor and nutrition.
Explanation:
The gene theory declares that all organisms contain coded information in __________ which dictates the form and function of organisms
The gene theory declares that all organisms contain coded information in DNA which dictates the form and function of organisms.
What does the gene theory state?Gene theory is one of the major principles of biology that explains the inheritance of traits coded by gene from parents to offspring.
This theory further explains that genes are located on chromosomes and consist of DNA, which stores them.
Therefore, the gene theory declares that all organisms contain coded information in DNA which dictates the form and function of organisms.
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9. Which of the following is a natural pesticide that's sometimes applied to organic crops?
O A. Organophosphates
OB. Nitrogen
C. Neem oil
D. Nitrate
Neem oil is a natural pesticide that's sometimes applied to organic crops because of its repellent composition.
What is natural pesticides?Natural pesticides are those pesticides that are made for their own defense by organisms such as plant, animal, bacteria. Neem has long been used for its medicinal and culinary properties.
So we can conclude that Neem oil is a natural pesticide that's sometimes applied to organic crops because of its repellent composition.
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Neem oil is a natural pesticide that is sometimes applied to organic crops
C. Neem oil
What is neem oil used for in agriculture?It is a product to control the populations of undesirable insects in agriculture, being harmless to humans and warm-blooded animals. It is fully biodegradable and does not bioaccumulate.
With this information, we can conclude that Neem oil is a natural pesticide that is sometimes applied to organic crops
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explain why the metric system and si are important
Answer:
In simple terms, the metric system (which is the same as SI) is important because it's more coherent than the imperial system.
Explanation:
The metric system is far more used worldwide compared to the imperial system, where the imperial system is only officially used in three countries (U.S, Liberia, Myanmar).
There are multiple reasons why the metric system is important, but the most critical reason is that it's very easy to understand pertaining to calculations. The measurement system of SI is designed to make measurements/calculations easy to perform and understand. This is why scientists prefer using the metric system over imperial.
You can make some small comparisons:
--> Metric is consistently based on decimal numbers, while imperial uses different number systems (base 3, 8, 12, 14, 16, etc.,)
--> Metric works well with percentages, while imperial does not
--> Metric units are the same internationally, while some imperial units differ (i.e different pints, gallons, tons, etc.,)
There are fewer, simpler measurements in the metric system as compared to imperial where calculations start to get overcomplicated due to the amount of measurements/units in the system.
In layman's terms... metric is a boat on smooth water with perfect weather, while imperial is a boat on rough waters during a storm.
NEED HELP ASAP!!! I have to get these done before the end of the week!!!!!
“You decide to go for a walk. You walk 8km to the north in 2 hours, then you walk 3 to the south in 1 hour. What is your total velocity of the entire walk?”
Answer:
32 because it is the velocity of it
Explanation:
yes
This forms after fertilization and is made up of a plant embryo.
A. seed, which becomes a diploid cell
B. cotyledon, which becomes a haploid cell
C. cotyledon, which becomes a diploid cell
D. seed, which becomes a haploid cell
E. cotyledon, which becomes a seed
blood pressure healthiness question
Answer:
A.) circulatory, muscular, nervous
Large areas of forest have been cleared for construction of subdivisions in the region encompassing Ohio, Indiana, Illinois, Michigan, and Wisconsin. How will the region's climate be affected? (4 points)
A. Deforestation does not affect climate.
B. Deforestation increases the frequency of extreme summers in tropical regions.
D. Deforestation decreases the frequency of extreme summers in tropical regions.
C. Deforestation increases the frequency of extreme summers in the Midwestern United States.
Deforestation increases the frequency of extreme summers in the Midwestern United States.
What is deforestation?Deforestation is the process whereby large forests areas are cleared without replacing the trees that were cut down.
Deforestation affects the climate of an area and leads to increased temperatures and global warming.
Therefore, Deforestation increases the frequency of extreme summers in the Midwestern United States.
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Name and describe the 3 concentric coats of the eyeball.
HAVE A NICE DAY!
In what year did Oxford scientist Robert Brown discover the motion of small particles?
1880
1908
1987
1827
A student made a model of a cell. First, she filled a clear plastic bag with gelatin.
Then, she added a rubber ball.
What are two limitations of the student's cell model?
A. The model is not as easy to see and hold as a real cell is.
B. The model does not show that cells can contain smaller structures inside
them.
C.The model does not show how a real cell gets the energy it needs to live.
D.The model is made up of materials that are different from those found in
real cells.
Francine is studying the karyotype of a human subject in a medical study. she observes that the karyotype shows three copies of chromosome 21. all of the other chromosomes have two copies. which conclusion about the subject is supported by francine's observations?
3 copies of chromosome in karyotype shows that person has genetic disorder called down syndrome.
What do you mean by karyotype?A karyotype test examines the structure, shape, and number of chromosomes in your body. The sections of our cells that hold your genes are called chromosomes.
Instead of having one copy of chromosome 21, an egg or sperm cell may preserve both copies. If this egg or sperm is fertilized, the baby will be born with three copies of chromosome 21. This is referred to as trisomy 21. Trisomy 21 is present in around 95% of people with Down syndrome. Instead of the usual two copies of chromosome 21, each cell in the body has three copies of chromosome 21 in this kind of Down syndrome.
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Which structure in the diagram below is a muscle that contracts during inhalation?
The diaphragm in the diagram below is a muscle that contracts during inhalation. thus option A is correct option.
What is the role of the diaphragm?The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily.
Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.
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a relationship in which one species kills and consumes another specifies is known as
Predation
It can be explained in that way or also called Predatory/prey relationships.
Parasitism is when one is benefited and the other harmed (ie leech and human)
Commensalism is when one is benefited and the other not affected (Tree frog and rainforest tree)
Mutualism is when both are benefited (Bee eats honey and Flower is pollinated).
In the Japanese four o’clock flower, red flower (RR) color is incompletely dominant over white flower (rr) color; the heterozygous plants have pink flowers (Rr). What kinds of offspring can be produced if a red-flowered plant is crossed with a pink flowered plant?
What is the genotype ratio of this cross?
What is the phenotype ratio of this cross?
If a red-flowered plant is crossed with a pink flower plants, the genotype ratio would be 1:1 for RR and Rr, and 1:1 for red and pink flower phenotypes.
Monohybrid crossingRed trait has the genotype RR.
Pink trait has the genotype Rr:
Crossing both:
RR x Rr
RR Rr RR Rr
Thus, only RR (red flower) plants and Rr (pink flower) plants are produced.
Genotype ratio = 1RR : 1Rr
Phenotype ratio = 1 Red flower : 1 Pink flower
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7. What would happen if a ring of the bark is removed from a tree? Explain.
the triglycerides in these lipoproteins are broken down into glycerol and fatty acids by ______ lipase
The triglycerides in these lipoproteins are broken down into glycerol and fatty acids by lipoprotein lipase.
What is Lipoprotein lipase?This is a type of enzyme under the lipase family which acts on triglycerides in the body.
It is involved in the breakdown of triglycerides into glycerol and fatty acids through various complex reactions which is why it's the correct choice.
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In which situation would it be least likely for a scientist to revise her experimental methods?
if her results support her hypothesis
if her data do not support her hypothesis
if no conclusions can be drawn from the data
if results are the same after repeating the procedure
6O12H6C
6C12H6O
O6H12C6
C6H12O6
The situations that would be least likely for a scientist to revise her experimental methods are:
if her results support her hypothesis andif results are the same after repeating the procedureWhat is an experiment?An experiment is a systematic and scientific procedures that is carried out to measure and test a hypothesis in order to arrive to a conclusion.
There will be no need to repeat an experimental procedures or methods if the results obtained supports the hypothesis and if the results are the same after repeating the procedure.
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Autopsy results from people who have died of fatal familial insomnia show evidence of degeneration in the
According to the research, autopsy results from people who have died of fatal familial insomnia show evidence of degeneration in the thalamus.
What is fatal familial insomnia?It is an autosomal hereditary disease that prevents falling asleep, that is, it is an absolute inability to fall asleep or to do so in an extremely superficial way.
Its onset is abrupt and continues to progress until it causes the death of the patient and its main neuropathological manifestation is degeneration of the thalamus, which is responsible for sleep.
Therefore, we can conclude that according to the research, autopsy results from people who have died of fatal familial insomnia show evidence of degeneration in the thalamus.
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If many hollow trees were removed from the area, which would MOST likely increase?
A. competition for food between squirrels and owls
B. competition for food between beetles and squirrels
C. competition for nest sites between beetles and owls
D. competition for nest sites between bluebirds and wood ducks
Answer: C. competition for nest sites between beetles and owls
The secretions of the neuronal axons found in the posterior pituitary are considered hormones and not neurotransmitters because they enter the
The secretions of the neuronal axons found in the posterior pituitary are considered hormones and not neurotransmitters because they enter the bloodstream.
What is a Hormone?These are chemicals produced by endocrine glands such as pituitary, thyroid etc.
They are usually released into the bloodstream to other organs and cells in the body.
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In terms of natural selection what is the best description of an organism that is fit
Answer:
The organism is physically stronger than competing organisms.
Explanation:
How will building a road through the rainforest affect the plants and animals of the rainforest.
The construction of a road through the rainforest will affect the plants and animals of the rainforest, because there will be great noise disturbance, people passing and pollution.
What is the impact of road construction on the forest?Can cause damage to natural resources and communities, affecting
water qualityfishing activitymigration and displacement of species,also causing habitat fragmentation, deforestation, soil erosion, illegal logging and hunting.
With this information, we can conclude that the construction of a road through the rainforest will affect the plants and animals of the rainforest, because there will be great noise disturbance, people passing and pollution.
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Identify the vascular tissues.
a. ___________
b. ___________
Answer:
The right answer to that is
a. phloem
b. xylem
Explanation:
In this vascular tissue, the vascular bundle is a ring, with the larger xylem cells in the center and the smaller phloem cells to the outside.
I had a hard time knowing the answers for this question, but I finally understand.
So, hope you believe, cause I read this in my school books.
Have a good day!!!
The person who answered on top had the write answers, but not on the right letters.
The vascular tissues identify as:
a. phloem
b. xylem
What are Vascular tissues?Vascular tissues in plants are specialised tissues which transport nutrients and water through the plant. They are made up of two distinct kinds of tissues: xylem and phloem.
Xylem is in charge of carrying water and minerals that are dissolved from the plant's roots to its leaves. It is made up of many cell types, such as tracheids, vessel components, and fibres. Tracheids and vessel elements are long, hollow structures that create lengthy tubes when stacked end to end.
Sugars and other organic compounds are transported from the leaves to the remainder of the plant by phloem. There are two sorts of cells in it: sieve tube elements and cell companions. Sieve tube components are long, narrow cells that run end to end.
Therefore, the vascular tissues identify as:
a. phloem
b. xylem
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what will happen if the banyan tree grows in desert what will help it to survive
Answer:
Banyans are a fig. Australia has many native fig species, some of which grow in isolated pockets in arid areas of Australia. These include Ficus macrophylla, Ficus tinctoria, Ficus rubiginosa. I have seen Ficus brachypoda, Desert Fig growing on rock in Central Australia, but right next to small bodies of water such as permanent waterholes and deep wells. If they were able to colonise dune country and gibber desert they probably would have by now and they would be far better adapted than banyans.
I find it interesting that you have suggested banyans specifically when there is a host of other Australian native plants which thrive in arid country and create a self-sustaining ecosystem which supports food plants and a great diversity of animals.
Explanation: