Hi (:
Nuclear fuel is a substance that is used in nuclear power stations to produce heat to power turbines. Heat is created when nuclear fuel undergoes nuclear fission. Most nuclear fuels contain heavy fissile elements that are capable of nuclear fission, such as uranium-235 or plutonium-239
got this from google.
Answer:
I think it is the first one
C. Plantae is the correct answer for you here
chemical ya que la energía llega e impacta junto a otra parte y produce energía
In your stomach because there are acids in the stomach that are more Acidic then Saliva