February 20, 2017

Homework Help: please help me paraphrase

Posted by Ayla on Thursday, March 27, 2008 at 10:16pm.

"The Antartic is the vast source of cold on our planet, just as the sun is the source of our heat, and it exerts tremendous control on our climate,"[Jacques] Cousteau tole the camera. "The cold ocean water around Antartica flows north to mix with warmer water from the tropics, and its upwellings help to cool both the surface water and our atmosphere. Yet the fragility of this regulating system is now threatened by human activity."

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