A person should know the effect of auxins as it helps in growth of the stems and the person should know how much he should cut otherwise will keep cutting it non uniformly affecting the plant growth and exposure to sunlight.
I think it’s proteins and nucleic acids
Two things that INCREASE population, would be an increase in leisure space. Another is if the area is sustainable for life. Two things that would DECREASE population, would be a scarcity of any required resources. A decrease in space, and not a sustainable area.
Nucleic acids contain the genetic code.
