What is environment degradation?​

its the deterioration of the environment through depletion of resources such as air, water and soil or in a more simple form: the destruction of ecosystems

Explanation:

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.