During the end Permian mass extinction, the die-offs were so extensive, ________ or more of animal species went extinct.

A. 47%
B. 25%
C. 80%
D. 70%


Answer: C

Environmental & Atmospheric Sciences

You might also like to view...

Pillow structures, pillow-shaped rounded masses, form where lava is extruded under water.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

Lakes that look like prayer beads within abasin that are connected by a stream flowing down a glacially carved valley are called _______________ lakes

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

The internal regular arrangement of ions or atoms in a material makes it

A. crystalline. B. non-crystalline. C. amorphous. D. None of the options are correct.

Environmental & Atmospheric Sciences

The toxicity of a substance is a measure of its

A. harmfulness. B. biodegradability. C. dosage. D. mass. E. proliferation.

Environmental & Atmospheric Sciences