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bogdanovich [222]
2 years ago
8

The diagram below shows the flow of nutrients and materials in a prairie ecosystem. If the ecosystem is a closed system, which o

f these things does not change as it cycles through the ecosystem? A. the form of matter B. the location of matter C. the total amount of matter D. all of these
Biology
1 answer:
ad-work [718]2 years ago
3 0

Answer:

B.

Explanation:

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VARVARA [1.3K]
D is your answer
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The answer is B. Reproducing

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Someone please help, these questions are hard
Allushta [10]

Answer:

B: Polyermase Chain Reaction

Explanation:

PCR is when we take a segment of DNA and multiply it! We can see that the number of DNA segments are increasing therefore it is PCR. Hope this helps!

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Which of the following represents biotic factors? 1. Sunlight II. Oxygen III Plants
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III only hope its helps you

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