marcamsuperson
marcamsuperson marcamsuperson
  • 28-01-2016
  • Biology
contestada

Natural catastrophes can upset the balance of an ecosystem.
a. True
b. False

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XOMarieeBabiiLovee
XOMarieeBabiiLovee XOMarieeBabiiLovee
  • 28-01-2016
Have you seen that pollution is caused by pesticides and fertilizers? Which cause an in balance... So it's true.
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madisonglass180 madisonglass180
  • 09-09-2018

A. true is the answer

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