Where does the fuel people use to heat homes and power cars come from? A. the remains of plants and animals that lived long ago
B. sedimentary rock that is thousands of years old
C. factories make it from rocks
D. inside fossils found deep in canyons

It’s probably A. Since natural gas and petroleum comes from plants and coal comes from animals both from millions of years ago that when they died, they were buried under layers of soil and dirt, then after millions of years where humans then extracted oil and more.

C: plants and animals