most fertilizers contain ammonia (nh3). ammonia forms when hydrogen reacts with nitrogen. which equation correctly represents the chemical reaction that forms ammonia?

a.
3h2 + n2 → nh3
b.
h2 + n2 → 2nh3
c.
h2 + n2 → nh3
d.
3h2 + n2 → 2nh3

Which macromolecules are polymers made of nucleotides (a) fatty acids (b) nucleic acids (c) carboxylic acids (d) amino acides

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )