Author Question: Oil shales are ____. A)found only in North and South America B)useful for the kerogen that can be ... (Read 21 times)

clippers! · **on:** Jul 13, 2018

Oil shales are ____.
A)found only in North and South America
B)useful for the kerogen that can be extracted
C)less expensive to process than are conventional oil sources
D)currently producing 15 percent of the United States' oil
E)currently producing 30 percent of the United States' oil

Question 2

The marine fauna that repopulated the oceans after the Permian extinction was more diverse than the Paleozoic marine fauna.
Indicate whether the statement is true or false