Plants depend upon to take up nitrogen gas and make it available to them as organic nitrogen (natural fertilizer).

a.
soil

b.
water runoff

c.
dead organisms

d.
bacteria

i think it's d

According to your text, should be in the native language of the parents or guardians whenever possible. a. an email b. consent forms c. oral approval d. storybooks loaned out

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?

If a checkpoint detects damaged dna, the checkpoint may