Why are coal and petroleum called fossil fuels?

A. They were originally imprinted in rock that later decayed
B. They provide energy for fossil fuels
C. They formed from decaying ancient plants and animals
D. They formed from extinct organisms

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
2 hours ago

Coal and petroleum are called fossil fuels because:

C. They formed from decaying ancient plants and animals.

These fuels are derived from the remains of ancient organic matter that has undergone geological processes over millions of years.