Among uroporphyrinogen, coproporphyrinogon III, protoporphyrinagen III, protoporphyrin III which is the first porphyrin of the home synthesis pathway ?

not too sure but maybe in the hot springs.

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.