Answer:
Oil
Explanation:
Oil is the most common fossil fuel internationally, seeing as it is in the top spot for usefulness.
A)amino acid is the correct answer
So they can eat and survive
A. The fossils are an extinct species of elephants, and they’re related to present-day elephants.
The fossils are an extinct specie of elephants, and they're related to present day elephants.
Hope it helps.