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Russia key terms
7th grade SS
| Term | Definition |
|---|---|
| pesticide | chemical that kills harmful insects and weeds |
| land mass | a very large area of land |
| greenhouse gas | a gas that traps the suns heat over earth |
| permafrost | permanently frozen ground |
| hydroelectric power | a source of energy that uses flowing water to produce electricity |
| arid | very dry having almost no rainfall |
| taiga | the largest forest area that stretches through northern Russia Canada and other northern countries |
| peat | the materials from very old decayed plants that burns |
| steppe |