Hydrocarbon fuels come from
A) the original geological processes that formed planet Earth billions of years ago.
B) lava flows from volcanoes that erupted millions of years ago.
C) Disneyland.
D) hydrocarbon ores that are mined and then milled in order to extract the small fraction of hydrocarbon in them.
E) the remains of plants and animals that died millions of years ago.
E
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