Why would some reflexes require more or less integration of the central nervous system/brain?

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

im not intirely sure but i think the anwser is d relative humidity

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.