Author Question: More species went extinct at the end of the Permian than at the end of the Mesozoic. Indicate ... (Read 73 times)

Kthamas · **on:** Jul 13, 2018

More species went extinct at the end of the Permian than at the end of the Mesozoic.
Indicate whether the statement is true or false

Question 2

Stones whose polished, pitted, faceted surfaces have been produced by wind erosion are called ___________________ _.
Fill in the blank(s) with correct word