Author Question: Much of the carbon dioxide found in earlier atmospheres is currently locked up in a. granite. b. ... (Read 40 times)

APUS57 · **on:** Jul 13, 2018

Much of the carbon dioxide found in earlier atmospheres is currently locked up in
a. granite.
b. volcanic rocks.
c. sandstone.
d. shale.
e. carbonate rocks.

Question 2

Earths earliest atmosphere was most likely composed of
a. water vapor and nitrogen.
b. carbon dioxide and helium.
c. hydrogen and helium.
d. hydrogen and oxygen.
e. noble gases.