Ancient ____ are sometimes turned into petroleum deposits by geologic processes.
A)diatoms
B)water molds
C)foraminifera
D)radiolaria
E)ciliates

Name: Ancient ____ are sometimes turned into petroleum deposits by geologic processes. A)diatoms B)water molds C)foraminifera D)radiolaria E)ciliates
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Diatoms are a type of algae with silica shells that can accumulate on the ocean floor and, over millions of years, be transformed into petroleum through heat and pressure.

Ancient ____ Are Sometimes Turned into Petroleum Deposits by Geologic