The Physical EnvironmentLandscapes and Ecosystems |
How much of the Earth’s surface is frozen |
About one-fifth of the planet is permafrost, or frozen for all or most of the year.
The Physical EnvironmentLandscapes and Ecosystems |
How much of the Earth’s surface is frozen |
About one-fifth of the planet is permafrost, or frozen for all or most of the year.
This is a web preview of the "The Handy Geography Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App