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russia key term
7th grade social studies
Term | Definition |
---|---|
pesticide | a chemical that kills harmful insects and weeds |
landmass | a very large area of land |
greenhouse gas | a gas that traps the sun heat over earth |
permafrost | permanently frozen ground |
hydroelectric power | a source of energy that uses flowering 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 material from very old decayed plants that burns like coal |
steppe | a very large plain or dry grassland |
methane | a coloress , odorless natural gas realsed from carbon |