The Formation of Fossil Fuels Begins When

Multiple Choice

The formation of fossil fuels begins when:

A) dormant volcanoes fail to erupt,trapping carbon dioxide under ground.
B) biomass is deposited and buried with sediment instead of decaying.
C) carbon-rich rocks are buried beneath volcanic lava flows.
D) extensive fossil deposition occurs all at once,such as when the dinosaurs went extinct in a short period of time.