if there weren't alleles for different traits, but rather only one verison of a gene for different, how would humans be different? Justify your answer

the answer is a) a shiprock was formed by igneous process

age range would be the answer

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.