Question

Aquatic organisms that lived hundreds of millions of years ago and were buried in silt and sediment resulted in the formation of _______.
a.
coal
b.
biomass
c.
biofuels
d.
petroleum


Please select the best answer from the choices provided

A
B
C
D

Answer 1

D — petroleum. Aquatic organisms buried and subjected to heat and pressure over millions of years form petroleum (oil) and natural gas.