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Anonymous Anonymous
  • 26-04-2016
  • Biology
Answered

Which of the following is true of environmental changes?

AThey cannot be caused by human activity.
BThey may affect several populations in an ecosystem.
CThey affect food chains, but not food webs.
DThey have no effect on living organisms in an ecosystem.

Verified Answer :

paolota paolota
  • 26-04-2016

I think is B. They may affect several populations in an ecosystem

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