How is good (stratospheric) ozone formed?
answer is b
Answer:
Explanation:
it is formed naturally through chemical reactions using solar ultraviolet radiation and oxygen molecules
in which era did human being evolve and what was the time period of that era?
Answer:
cenozoic era time periid 65 million year ago
Explanation:
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Where does competition for reproduction most likely occur?
Five little boys have been raped and killed in the past three weeks. All of them have died due to strangulation with a rope. There were no other person's fingerprints or body fluids on the bodies. The boys all lived in an area of Memorial Drive in Dekalb County. The police fear the killer will attack again. What specialist is needed to find or identify the killer and predict where he might strike next? Why?
Answer:
Forensic biologist
Explanation:
The specialist needed to find or identify the killer would be a forensic biologist. A forensic biologist uses trace samples or evidence in identifying victims and/or suspects and generally supporting criminal investigations with the aid of scientific techniques. In the case described in the question, there are other samples (aside from body fluids and fingerprints) that can be obtained from the crime scene; for example, in the case of a struggle with the killer, some of the boys could have pulled hair strands from the killer. The root of these hair-strand can be subjected to DNA analysis to identify the killer. There is also the possibility of having one of the boys scratching some skin cells from the killer; these could also be useful in DNA analysis.
The forensic biologist could also determine when and where the actual death of the boys took place, this information could be vital for the law enforcement in predicting where the killer might strike.
What part of a microwave oven protects humans against radiation?
1. glass doors
2. plastic outer covering
3. metal shields
4. magnetrons
Answer:
metal shields
Explanation:
I took the quiz and exam
Humans are shielded from radiation by metal parts of a microwave oven. So, the correct option is C.
What is Microwave oven?A microwave oven, often known as a microwave or electronic oven, is a device that uses microwaves, which are high-frequency electromagnetic waves, to cook food. A microwave oven is indeed a compact, box-shaped oven that increases food's temperature by exposing it to an electromagnetic field with a high frequency.
Water, lipids, carbohydrates, and a few other molecules absorb the microwaves, which causes their vibrations to produce heat. Hence, cooking time is significantly shortened because the heating takes place inside the food rather than warming the air around it. Metal components of a microwave oven protect people from radiation.
Therefore, the correct option is C.
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Which of these organisms have no seeds and no specialized tissues?
sequoia trees
orange trees
club moss
liverworts
Answer:
Liverworts
Explanation:
a small flowerless green plant with leaf-like stems or lobed leaves, occurring in moist habitats. Liverworts lack true roots and reproduce by means of spores released from capsules.
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The purpose of cytokinesis is to
A:Destroy the parent cell B:Divide the parent cell in two
C:Rebel against society D:Create a mutation
Answer:
b
Explanation:
who all is transgender?
Answer:
Me
Explanation:
But I don't have very many accepting people in my life right now... T-T
Which of the following pressure graphs matches the simulation snapshot shown below
Answer: Graph B
Explanation: I just finished this assignment on Gizmos
What patterns do you notice in how the airborne pathogen spreads
Answer:
can u send a screen shot
Answer:
Air born pathogens are minute creatures responsible for causing a variety of illness. These pathogens may be bacteria, virus or fungi and spread through a variety of mechanism. When an infected person sneeze, respiratory droplets add into air. These infectious droplets when inhaled by a healthy person he become ill.Example is flue virus.
found this on another brainly question
Explanation:
Explain why just protecting a species like the grizzly bear with a law may not be enough to conserve this species?
Answer:
When laws are made to protect a species, it is made to stop human interference. Often natural factors also are the reason for a species decline, some of these factors may include, habitat change, climate change and may also be a disease going through the species. In order to truly save a species you would have to isolate them in an area and make sure they are all healthy and the habitat does not change. The only issue with that is, they could lose some of their natural instincts such as hunting or being scared of humans. So a law may not be enough to save a species because there may also be many natural factors interfering with a species survival.
Explanation:
The presence or absence of freckles is determined by one gene. The allele for freckles (F) is dominant and the allele for the absence of freckles (f) is recessive. A couple has several children. All of the children have freckles because their parents' genotypes can only produce children with freckles. Which of these are most likely the genotypes of the two parents?
Answer:
There are no options to this question, however, the question can be answered. The answer is:
FF and FF/Ff
Explanation:
This question involves a single gene coding for possession or not of freckles in humans. The allele for freckles (F) is dominant over the allele for no freckles (f). This means that genotypes FF and Ff (heterozygous) will possess freckles while only genotype ff will not.
According to this question, a couple has several children in which all of the children have freckles i.e. have either genotype FF or Ff. This is as a result of the fact that the parent's genotypes were either FF or Ff. That is, one parent is FF while the other is either FF or Ff. This genotypes will only produce children with freckles.
A fir tree has leaves that stay green all year long. These trees produce cones, and their reproductive structures can be dispersed by the wind. To which group does the fir tree belong? nonvascular plants angiosperms gymnosperms seedless plants
Answer:
gymnosperms
Explanation:
Gymnosperms are a diverse group of plant, second to angiosperms, that both belong to the HIGHER PLANTS category. Gymnosperms are characterized by their ability to bear seeds on naked structures called CONES. They do not produce flowers or fruits as opposed to gymnosperms.
They are usually evergreen i.e. do not shed their leaves all season long. According to this question describing a fir tree, which has leaves that stay green all year long and produce cones, that allows for wind dispersal, the fir tree is a GYMNOSPERM.
Answer:
gymnosperms
Explanation:
just took it on Edge :) hope it helps
Which of the following BEST describes the ATP cycle?
A. ATP is a low energy molecule that absorbs energy that is given off in a chemical reaction.
B. ATP is a high energy molecule that releases energy when a phosphate is released.
C. ATP converts to ADP by releasing a molecule of oxygen.
D. Once ATP releases energy, it is destroyed and is never used again.
Answer:ATP is a low energy molecule that absorbs energy that is given off in a chemical reaction.
Explanation:
In ecosystems, plants transform light energy from the Sun into chemical energy when they make sugar. This sugar can then be consumed by other organisms to be used as building blocks for other molecules, such as proteins and fats, or it can be transformed into other forms of energy, such as kinetic energy, when the organism moves. Which of the following statements is supported by the above information? A. Energy can change forms, but only one kind of matter exists. B. Matter and energy must always remain in the same form and location. C. Matter and energy can change forms and locations in ecosystems.
Answer:
Matter and energy can change forms and locations in ecosystems.
Explanation:
Matter and energy can change forms and locations in ecosystems.
In the given information, light energy changed into chemical energy and then into kinetic energy, and sugar changed into proteins and fats as it moved from the Sun to the plant and then to other organisms.
It is important to note that although matter and energy can change forms and locations in an ecosystem, the total amount of matter and energy must always remain the same according to the laws of conservation of matter and energy.
what are three things that revolve around the sun
Answer:
planets, moons, asteroids, comets or meteoroids.
Explanation:
Which phase occurs directly after S phase?
O A. G2
O B. G1
O C. Cytokinesis
O D. M phase
How many water molecules are released in the synthesis of 10 maltose and 15 sucrose?
Answer:
10 water molecules are released in the synthesis of 10 maltose and 15 water molecules are released in the synthesis of 15 sucrose.
Explanation:
10 water molecules are released in the synthesis of 10 molecules of maltose and 15 water molecules are released in the synthesis of 15 molecules of sucrose because in a reaction, when two glucose molecules fuse together forming a molecule of maltose with the release of single water molecule while on the other hand, when glucose and fructose fuse together forming sucrose releases single molecule of water, so in each case, one molecule of water is produce.
what are the products of photosynthesis?
Answer:
Oxygen
Explanation:
i need help please !!!
Answer:
890? thats what i think...
Explanation:
sorry if im wrong, but im happy to help anyway:)
In cellular respiration, the reactants are:
Carbon Dioxide
Glucose
Oxygen
Water
ATP
(multiple choices)
Answer:
Oxygen & glucose
Explanation:
Glucose and oxygen are the reactants and the end products are carbon dioxide and water with the liberation of energy in form of ATP.
Glucose is the substrate. It is broken down into CO2 and H2O in the presence of O2.
The genome is _______ the genome size.
A. larger than
B. smaller than
C. equal to
Which of the following statements best explains how forests reduce atmospheric carbon dioxide levels? *
a. The roots of trees fix atmospheric carbon dioxide into the soil for use by the trees
b. Soil bacteria in forests break down atmospheric carbon dioxide to produce fossil fuels.
c. Trees use atmospheric carbon dioxide during photosynthesis to form organic compounds (sugar/food).
d. Animals that live in forests consume atmospheric carbon dioxide during cellular respiration
Answer:
The answer is C: Trees use atmospheric carbon dioxide during photosynthesis to form organic compounds (sugar/food).
Explanation:
Plants use atmospheric carbon dioxide through photosynthesis.
Describe the niche of the giraffe.
Answer:
A niche is the part of an animal that plays important role in its environment.
A giraffes niche would be their long necks. With their necks they can stand up higher and eat where no other animals can reach to eat.
Giraffes don't have to contend with other animals for their food so they survive harmoniously with other animals.
Their necks are instrumental in much of this niche, determining what the giraffes eat and what they see.
The elongated necks of giraffes support them consume leaves, blossoms and fruit that are higher than most grazing animals can touch; only elephants can compete for food at the equivalent level
Explanation:
(AKS 1a/DOK 2) Usain Bolt was on his way to run a race. Before he left the house, his friend gave him an apple and said this will help you win the race.
Explain how eating the apple would benefit the runner
O A. The chloroplasts in the apple tree produced glucose which is the product of photosynthesis for the apple. When Usain ate the apple the glucose
provided energy for the mitochondria in his legs to increase his energy for the race,
B. The apple contains nucleotides from the tree's DNA, Usain ate the apple and used this DNA to help control the cells and run faster
OC. The apple tree performed cellular respiration in it's chloroplasts to produce protein in the apple which provided energy for Usains mitochondria in his
leg muscles
D. The tree produces lipids when it perfogms photosynthesis, these lipids then enter his golgi bodies where ribosomes make energy for him to run faster.
25
Answer:
A
Explanation:
...
Upon ingestion of bacteria, white blood cells release a chemical messenger into the blood stream that causes the synthesis of inflammation response proteins by liver cells. What is this is an example of?
Answer:
???
Explanation:
What traits could represent the phenotype of an organism?
A. Tt, purple
B. yellow, tall
C. Rr, RR
D. wrinkled, ww
which source would be the most credible for researching a vacation to Alaska?
Answer:
maybe the state of Alaska tourism website would be a good source for researching a vacation to Alaska. It might work
Explanation:
The model shows a substance crossing a cell membrane.
Solute particle Cell membrane
Which of the following describes the process?
a.
The model shows the process of active transport because the solute particles are
moving from an area of low concentration to an area of high concentration.
b.
The model shows the process of bulk transport because the solute particles are
moving from an area of low concentration to an area of high concentration.
C.
The model shows the process of diffusion because solute particles are moving from
an area of high concentration to an area of low concentration.
d.
The model shows the process of osmosis because the solute particles are moving
from an area of high concentration to an area of low concentration.
Answer:
C
Explanation:
Solute particles are constantly moving around in a solution, interacting with one another, and dispersing in different directions. Simple diffusion is the term used to describe the random mixing of solute particles in a solution. Thus, option C is correct.
What are the factors in solution for solute movement?Active transport is the term used to describe the movement of solute particles from low to high concentration.
Because they will have more kinetic energy. The rate of diffusion increases as surface area increases.
Particles of the solute move against the concentration gradient during active transport. Solute particles travel from a low-concentration region to a high-concentration region in this manner.
Therefore, model shows the process of diffusion because solute particles are moving from an area of high concentration to an area of low concentration.
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How should two solutions that differ by 1 pH unit be described?
Answer:
one may be more acidic or basic than the other solution .
Explanation: