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Georgia [21]
3 years ago
5

How are individual atoms of oxygen formed in the stratosphere? a. Individual oxygen atoms are formed when oxygen molecules colli

de with each other. b. Individual oxygen atoms are formed in the sun. c. Individual oxygen atoms are formed during photosynthesis. d. Individual oxygen atoms are formed when UV rays strike oxygen molecules.
Biology
1 answer:
Juliette [100K]3 years ago
8 0

Answer:

it should be D !!!

Explanation:

quizlet said so if this is wrong then im getting it wrong too

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The simplest organisms are____.
Alexxandr [17]
Prion which is a protein that replicates or bacteria
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3 years ago
A study of echinoderm embryos, such as sea stars, confirms a similar developmental pattern to that of vertebrates. In both, the
AlladinOne [14]

Answer:

This is considered as the study of homology.

Explanation:

Homology, studies the comparable characteristics of the physiology, structure or development of various species based on their decent from a similar evolutionary ancestor.

3 0
3 years ago
Write any two uses of Rocks and Minerals of each?​
tatuchka [14]

Answer:

The use of rocks and minerals includes  building material, cosmetics, cars, roads, and appliances.

Explanation:

7 0
3 years ago
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Armani broke his arm while playing soccer. His doctor recommends he change his diet while healing. Which is most likely to be a
Ad libitum [116K]

Answer:

not really a pro at health but I can try! I would say have a different diet while healing and stay home from soccer and let it heal. he should go to therapy daily for updates to see if his arm is healing or not. he should not take to much pressure onto his arm.

Explanation:

5 0
3 years ago
Several fish species became extinct millions of years ago. The graphs provided below show the distribution of fossils of these f
cestrela7 [59]
1. Explain why the distribution of fossils in Figure 1 supports the hypothesis that the extinction of these species was the result of a sudden environmental change.
This hypothesis can be supported because all the fossils accumulate almost at the same age of the rock layer. That is, all the fossils died almost at the same time.

2. Describe an environmental change that could have produced this type of fossil distribution.
Good examples of sudden environmental changes are volcanoes. When a rash occurs, the whole environment suddenly changes for different reasons such as ash or lava, and all living things can die immediately or in a few years by the change in the ecosystem.

3. Explain why the distribution of fossils in Figure 2 supports the hypothesis that the extinction of these species was the result of a gradual environmental change.
This is because the fossils accumulate at different ages of the rock layer, that means, the species dying over time. The gradual descent of the fossils is observed.

4. Describe an environmental change that could produce this type of fossil distribution.
For example, if a climate change occurs - the temperature increases or decreases - it can cause the trees or plants to die and all the animals in the ecosystem also die when they have no food. But this process is sequential, so the change can take years, centuries or even millions of years.

I hope this can help you.
4 0
3 years ago
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