What are the primary sources of particulate pollution

i wish i could with all of them i can barley see the first one so here's the answer to the first one b

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.

i'd have to say the answer is probable the second option "the geosphere interacting with the atmosphere"