Answer:
Option A
Explanation:
Emma creates a pressure difference allowing the fluid to flow
Answer:
not quite sure what you meant by the question but I think the answer you're looking for is biomass? not sure though
last one? don't take my word though
Explanation:
the suns heat is related to nuclear fusion
All organisms need four types of organic molecules: nucleic acids, proteins, carbohydrates and lipids; life cannot exist if any of these molecules are missing.
