Natural Resources

Energy from the wind is used to turn windmills. These windmills then spin a generator and produce electricity. Which statement would NOT support the claim that wind energy is considered a clean, renewable resource?

• Wind energy is produced naturally.

• Wind energy is used with giving off greenhouse gases.

• There is an abundant supply of wind energy available for use.

• There are only certain places that are suitable for collecting wind energy.

If humans run out of the following resource, which resource would be most difficult to replace?

• Lumber

• Cotton

• Rice

• Coal

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Most of the world's automobiles run on energy acquired from petroleum. Like all fossil fuels, petroleum is a nonrenewable energy resource. This means that it is a resource that cannot be replaced as quickly as humans use up existing supplies. Humans face a problem because once petroleum reserves begin to run out, there won't be enough fuel to power all the automobiles in the world. Which of the following is the best potential long term solution?

• Use a cleaner fossil fuel, such as natural gas to power automobiles.

• Use more petroleum fuel efficient automobiles.

• Maintain current consumption of petroleum but use it only to manufacture plastics.

• Use renewable resources, such as solar energy, to power automobiles.

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most of the world's energy supply comes from burning fossil fuels. Fossil fuels are nonrenewable resources. If people continue to burn fossil fuels at the same rate, which of the following events will most likely happen?

• Fossil fuels deposits will be found on the moon.

• Fossil fuels will quickly reform underneath the ocean's floor.

• All the world's fossil fuel reserves will be used up.

• No changes will be made to the world's fossil fuel reserves.

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Many of Earth's nonrenewable resources are very rare. Other nonrenewable resources, such as coal, are abundant but not easily replaced. What would happen if we used up all the coal on Earth?

• More coal could quickly be formed underneath the Earth's surface.

• We would make more coal at a factory.

• There would be no more left to use.

• It is impossible to use all the coal in the world.

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Renewable resources are resources that can be replaced faster than they are used. Which of the following energy resources is renewable?

• Uranium

• Solar energy

• Petroleum

• Natural gas

Geothermal energy is an alternative energy source. However, it is not resourceful enough to replace more than a minor amount of the Earth's energy needs. Why is this?

• The center of the Earth is not hot enough to make a significant energy contribution.

• Once the cool water is poured down the well and filters through the rocks, the rocks cool off and are no longer hot enough to turn water into steam.

• There are only a few places where the Earth's core is hot. It is cool in places like Antarctica.

• Drilling through the Earth to reach areas hot enough to create steam is possible, but very expensive and difficult.

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Several regions in the United States export petroleum to other regions. To export the petroleum, thousands of miles of pipelines have constructed. Often, these must be built on or near coastland wetland areas. Which statement is the best solution to the potential problems related to the use of petroleum in the welands?

• The coastal wetlands should be cleared more rapidly to meet the higher demand for petroleum pipelines.

• As future pipelines are built or restored, most of the coastal wetlands should be used for building roads and construction sites.

• The coastal wetlands should be changed into riverways for shipping to help reduce the need for pipelines.

• As future pipelines are built or restored, great care should be taken to avoid damaging too much of the coastal wetlands.

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Which of the following lists contains only examples of renewable sources of energy?

• fossil fuels and nuclear energy

• hydroelectric, petroleum, solar, and wind

• wind, geothermal, and hydroelectric

• coal, solar, wind, and biomass

Manufacturing electric cars has a slightly more impact on the environment than manufacturing gasoline powered cars. According to this information, during which part of an electric car's life will it have less impact on the environment than a gasoline powered car will?

• while it is being repaired

• while it is being used

• while it is being manufactured

• while it is being disposed of