A nonliving part of an organism's habitat.
The grinding away of rock by other rock particles carried in water, ice, or wind.
Rain that contains more acid than normal
Describes a substance that reacts strongly with metals and changes blue litmus paper red
A behavior or physical characteristic that helps an organism to survive in its habitat
An earthquake that occurs after a larger earthquake in the same area
A huge body of air that has similar temperature, humidity, and air pressure throughout
the result of the weight of a column of air pushing down on an area
a wide, sloping deposit of sediment formed where a stream leaves a mountain range
Elevation above sea level
An instrument used to measure wind speed
an instrument that measures changes in air pressure without using a liquid
A high-pressure center of dry air
The farming of water Organisms
The soft layer of the mantle on which the lithosphere floats
Earth's envelope of gases