Particles of liquid or solid dispersed as a suspension in gas.
Fossil Fuel
Any hydrocarbon deposit that can be burned for heat or power, such as petroleum, coal, and natural gas.
Solar Radiation
Energy received from the sun is solar radiation. The energy comes in many forms, such as visible light (that which we can see with our eyes). Other forms of radiation include radio waves, heat (infrared), ultraviolet waves, and x-rays. These forms are categorized within the electromagnetic spectrum.
