Answer:
2.infrared
Step-by-step explanation:
Infrared radiation or infrared light is electromagnetic radiation.
Infrared A radiation (IR-A) accounts for almost a third of total solar radiation, while UVA and UVB radiation make up only seven percent of the total solar spectrum.
Of the total solar energy that reaches the Earth's surface, the largest part of the radiation of as much as 54-56 percent is IR radiation, 39 percent is visible light and about five to seven percent is UV radiation.