Which of the following is not a reason childhood friendships are important to development? A.
Positive relationships provide positive psychological support.
B.
Friends are a child's first chance in learning how to be social with siblings.
C.
Adolescents can use friendships as a way to work out personal problems.
D.
Children can learn what it means to be loyal through their friendships.

I think it's C...

I hope I'm correct.

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.