airSmog from factories can pollute the AIR.
climateA tropical CLIMATE is typically hot and wet throughout the year with
heavy, frequent rainfall.
earthquake
An EARTHQUAKE can cause major damage to and ecosystem.
plainbison grazing on the Great PLAINS in
the Midwestern United States
precipitation
drizzle rain sleet dry snow wet snow
valley
Death Valley National ParkCalifornia & Nevada, USA
Schroters Valley on the Moon, photographed by Apollo 15