Barley. Grains remain an important part of the Russian economy.
Fossil fuels are nonrenewable
Answer:
False
Explanation:
Contour lines can never cross one another. Each line represents a separate elevation, and you can't have two different elevations at the same point.
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Explanation:
Using a few inexpensive, energy efficient measures can reduce your energy bill and, at the same time, reduce air pollution. Heating and cooling systems use more energy than any other systems in American homes. Natural gas and electricity are used to heat most American homes, electricity to cool almost all.
