Create an account
The average , year-after-year conditions of temperature, precipitation ,winds,and clouds in an area
The area near the equator, between about 23.5° north latitude and 23.5° south latitude
The area between the tropical and polar zones, from about 23.5° to 66.5° north and 23.5° to 66.5° south latitudes
The climate of the centers of continents, with cold winters and warm or hot summers
The climate characteristics of a small, specific area; it may be different from the climate of the surrounding area
A tropical grassland with scattered clumps of trees; found in the tropical wet-and-dry climate zone close to the equator
a climate zone that lies north of the humid continental climate zone, with short, cool summers and long, bitterly cold winters
a polar climate region, found across northern Alaska, Canada, and Russia, with short , cool summers and bitterly cold winters
Cold time periods in Earth's history, during which glaciers covered large parts of the surface
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together