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kaheart [24]
3 years ago
9

Matter in an ecosystem_______. A) Flows only one way B) is part of an open system C) is eventually lost as heat D) is broken dow

n into chemical nutrients
Biology
1 answer:
vampirchik [111]3 years ago
4 0

Answer:

d

its the one that makes the most sense

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What type of wave interaction allows you to hear someone and not see them?
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The answer should be "sound waves".

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If you need anymore help feel free to ask me!

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