Question #65dc4

1 Answer
Dean
Dec 1, 2017

It is estimated that 23-34 million years ago is when Antarctica started to be considered completely frozen over as its temperature dropped and became an icy forest.

Explanation:

At the end of the Devonian period (350 million years ago), glaciers began to form, but it wasn't cold enough for it to freeze like how we see it currently.

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