jahjahjorgina jahjahjorgina

04-09-2017
Biology

contestada

The Permian-Triassic extinction 250 million years ago wiped out about ninety percent of Earth's animal species. Some scientists are predicting a sixth mass extinction in the future, due to
A) acid rain.
B) air pollution.
C) global warming.
D) earthquake activity.

Respuesta :

goandreina goandreina

11-04-2018

The answer is:
C. Global Warming

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