First question is D, condensation
Second is B, convection
Answer:
20
Explanation:
Atoms have the same amount of electrons as they have protons. Therefore, if an atoms has 20 protons, it should have 20 electrons.
Answer:
This looks like a hard question for me is this biology
Explanation:
Non-renewable energy takes a huge amount of time to be naturally created and replenished. Many hundreds of lifetimes, in fact. On the other hand, renewable energy sources are replenished pretty quickly. Biomass is a renewable energy from plants and animals. Biomass is renewable organic material that comes from plants and animals. Biomass was the largest source of total annual U.S. energy consumption until the mid-1800s.