I assume the answer is man-made, correct?
Answer:
crude oil (petroleum) is the only natural liquid fossil fuel
in the nucleolus of the cell
Answer:
Explanation:
hepatic portal vein is a blood vessel that carries blood from the gastrointestinal tract and spleen to the liver. This blood are usually rich in nutrient because it contains extraction from digested materials or food substances in the gastrointestinal tract and it is processed in the liver for removal of toxins before the blood returns to the heart.
The leaves!
They have chlorophyll to take energy from the sun and use it.
