Which is an example of a condition in which homeostasis is maintained using a negative feedback loop?
a.
low blood glucose

b.
break or tear in blood vessel wall

c.
death of a small area of heart tissue

d.
contractions in the uterus of a pregnant woman

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 .