Nitrogen is important to life because it is a part of: Select all that apply. RNA
bones
ATP
cell membranes
amino acids
teeth
DNA

the answer is cell division : )

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.