How do Steno's laws help geologists to decipher the geological history of a region? Why does the principle of lateral continuity work?
How could you recognize the existence of an unconformity?

the denominator has a very specific role.

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.