Which gas is found in high percentages in the atmosphere in all of the gas
giants?
o a. nitrogen
o
b. hydrogen
o
o
c. carbon monoxide
o
o
d. oxygen
o
e. carbon dioxide
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Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

Match each symbol with its description.

What best describes emerging scientific ideas