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Biology 9 Online
OpenStudy (anonymous):

4. A source from which organisms generally take elements is called a/an A. biotic community. B. exchange pool. C. reservoir. D. food web.

OpenStudy (anonymous):

can somebody help me with this question please ?

OpenStudy (anonymous):

C. exchange pool.

OpenStudy (anonymous):

I mean b

OpenStudy (anonymous):

thx :D !

OpenStudy (anonymous):

Np

OpenStudy (anonymous):

It's the right answer to everybody who needs this question answered to ;-)

OpenStudy (anonymous):

what is exchange pool?

OpenStudy (anonymous):

an exchange pool is a source from which organisms generally take elements :)

OpenStudy (jakyfraze):

@1234maria thank you so much ;D

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