Question

organisms can use atmospheric nitrogen (n₂) directly as a nitrogen source. true false question 10 (1 point)

Explanation:

Most organisms cannot use atmospheric nitrogen ($N_2$) directly because the triple - bond in $N_2$ is very stable. Nitrogen must first be fixed (converted to ammonia, nitrate, etc.) by nitrogen - fixing bacteria or through industrial processes before it can be used by most organisms for growth and metabolism.

Answer:

B. False