by not putting harmful chemicals in the air
hope this helps:)sorry if it doesnt
I could be wrong but its think its B because a culture can spontaneously adopt a different culture. Also, older, richer, or otherwise more dominant cultures can forcibly absorb subordinate cultures. The term assimilation is often used with regard to not only indigenous groups but also immigrants settled in a new land.
A supply and demand curve is a plotted graph showing the consumer demand vs what suppliers are willing to supply. The point of putting this information on a chart is to find the equilibrium or supply and demand to help businesses sell.
I attached a supply and demand curve for reference. Hope I could help!