What layer of the atmosphere is the ozone layer found.

In what for do plants utilize nitrogen? why do they need nitrogen?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided