Most fertilizers contain ammonia. ammonia (nh3) forms when hydrogen reacts with nitrogen. which balanced equation represents ammonia?
a. 3h2 + n2 → nh3
b. h2 + n2 → 2nh3
c. h2 + n2 → nh3
d. 3h2 + n2 → 2nh3

answer; i believe the correct answer is (replication is not conservative);

the backbone of the dna and rna compound is sugar phosphate.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms