This is how it works. You need 5 paragraphs. Introduction, how they work, benefits for both. problems for both and conclusion.

How many electrons can occupy any electron orbital?

What would happen if a plant could carry out photosynthesis, but not respiration? question 1 options: it would have no food. it would have too much water. it would be unable to capture the energy in sunlight. it could make food but not break it down for energy.

How is the expression of surface antigens on red blood cells determined?