Answer:
Physical maps usually show the most important political boundaries, such as state and country boundaries. Major cities and major roads are often shown.
Explanation:
The answer is <span>D) tundra
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It absorbs CO2, It plays an important role in the heat energy balance.
1. helps transformation from gas to liquid help form latent heat (this an important source for Atmospheric energy),
2. It is also a green house that absorbs the earth outgoing radiant energy,