Living organisms can incorporate ________ into their metabolism.(1 point)

Question

Responses

nitrogen gas
nitrogen gas

nitrates
nitrates

nitrites
nitrites

ammonia

Answer 1

ammonia

Answer 2

Usable forms of nitrogen can intentionally be increased in the soil by(1 point)
Responses

allowing organic matter to decompose.
allowing organic matter to decompose.

lightning.
lightning.

planting more trees.
planting more trees.

planting fewer beans.

Answer 3

allowing organic matter to decompose.