Help please and thank you!

Which process is involved in growing crops? irrigation transportation recreation condensation

Give the biological term for: structures that display characteristics of living organisms only within living cells

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?