Answer the following statement(s) true (T) or false (F)

1. The high consumption of energy produces huge quantities of pollution, and the periodic shortages and high prices of petroleum and natural gas place pressure on industries to burn cheaper coal, which creates even higher levels of pollution.
2. Excessive energy demand in one part of the world tends to distort the market.
3. Almost all of the natural gas that the United States uses comes from domestic sources.
4. Natural gas is so valuable for industrial uses; it is natural to use it for domestic energy needs such as heating and cooking.
5. Operating costs of nuclear power plants are less than those of fossil fuel plants.

1.true
2.true
3.true
4.false
5.true