Author Question: The Permian period experienced major extinctions, which may have been due to A) global warming. ... (Read 52 times)

Jkov05 · **on:** Jul 29, 2018

The Permian period experienced major extinctions, which may have been due to

A) global warming.
B) the emergence of the reptile.
C) the breakup of Pangaea.
D) the formation of Pangaea.

Question 2

Large deposits of gypsum and other evaporite minerals are evidence of

A) volcanic activity during the Cambrian period.
B) dried up shallow seas from the Silurian period.
C) seafloor spreading during the Permian period.
D) glaciation during the Triassic period.