Because laissez-faire means freedom and the government gave business to sell the goods at the prices that they would like.
Science is a investigation process
Violet and blue have the high frequencies (thus energy) of visible light. Red will be the least energy but lowest energy. And remember, chlorophyll is green because it reflects green into our eyes. Green is therefore not absorbed, so not used for photosynthesis.
Equilibrium: Equilibrium is a state in which opposing forces or influences are balanced.
Hope this helps :)
