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3. How can freshwater ecosystems be impacted by global climate change?
They can freeze.
O They can flood.
They can become salty.
O They can dry up.


Sagot :

Answer:

I think its "They can flood."

Explanation:

The reason for this is due to the fact that climate change mainly deals with warming up the earth because of a hole in the ozone. But, I may be wrong... Its an impact on freshwater sources after all.