B. Play soft music in the background while studying.
I’m not sure what your referring to this question as but over time our society advances or makes new cities and we have to cut down trees and plants in order to make these cities. Trees produce oxygen which we need to breathe and if we keep cutting them down then our oxygen supply is going to decrease. Needless to say the more humans evolve the more our environment evolves.
Answer:
Missouri Comp.
Explanation:
Scott v. Sandford declared that the Missouri Compromise was unconstitutional meaning that congress had no power over slavery
The banks need the stock market in order to stay open.
