What is the petroleum found in marine sediments likely to have been formed from?

a. Bacteria
b. Fossilized fish
c. Whale falls
d. Marine algae


ANS: A
Planktonic organisms and bacteria are thought to be the candidates that collected to eventually form
petroleum. These organisms accumulated in low oxygen areas that had very few scavengers.
Information can be found in the section Physical Resources.

Environmental & Atmospheric Sciences

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