Shawtyturnt13 Shawtyturnt13

10-03-2015
Physics

Answered

which of the following is true about producers?

A.The are helpful to some ecosystems and not essential to any ecosystems
B.They are helpful to all ecosystems but not essential to any ecosystems
C.They are essential to some ecosystems
D.They are essential to all ecosystems

Answer :

guitar2012 guitar2012

10-03-2015

the answer is d they are essential to all ecosystems

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