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lesya [120]
3 years ago
5

Although scientific theories vary, it is believed that _____________________ caused the permian mass extinction.

Biology
2 answers:
Solnce55 [7]3 years ago
5 0

Answer:D) the start of glaciation and climatic changes

Explanation:

It is believed that the great Permian extinction was caused by the start of glaciation and climatic changes. Scientists agree on the glaciation, but some think that the planet cooled overall. Others believe that there were great temperature fluctuations.

crimeas [40]3 years ago
4 0
D -<span>the start of glaciation and climatic changes</span>
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