Author Question: Rocks from the Carboniferous period are significant because they A) contain diamonds. B) provide ... (Read 45 times)

plus1 · **on:** Jul 29, 2018

Rocks from the Carboniferous period are significant because they

A) contain diamonds.
B) provide gold and silver deposits.
C) have large deposits of coal and oil.
D) are a source of cement.

Question 2

The Carboniferous period is well noted for the

A) emergence of the insect.
B) evolution of the amniotic egg.
C) age of the reptiles.
D) extinction of shallow water organisms.