| A | B |
|---|
| Low pressure | having or involving a low or below-normal pressure |
| Migration | a number or body of persons or animals migrating together |
| Sediment | mineral or organic matter deposited by water, air, or ice |
| Humidity | humid condition; moistness; dampness |
| Respiration | the act of respiring; inhalation and exhalation of air; breathing |
| Transpiration | an action or instance of transpiring |
| Air currents | a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere; steady, smooth onward movement |
| Chinooks | A moist warm wind blowing from the sea in coastal regions of the Pacific Northwest |
| Monsoon | any persistent wind established between water and adjoining land |
| Anemometer | any instrument for measuring the speed of wind |
| Altitude | the height of anything above a given planetary reference plane, esp. above sea level on earth |
| Prevailing westerlies | west-to-east winds that occur in the temperate zones of the Earth |
| Polar easterlies | winds at the highest latitudes that blow in one direction all year |
| High pressure | having or involving a pressure above the normal |
