Advantages/Disadvantages of Natural Resources

One advantage of using renewable resources over nonrenewable resources is...

• they can be used in any location.

• they produce less air pollution.

• they have low construction costs.

• there is no harm to wildlife.

Why do we use natural resources like renewable and nonrenewable energy?

• Because we have limited options and those are available.

• To provide electicity to power our world.

• To provide different types of energy that cannot be transformed.

• Because all natural resources are not available everywhere.

What is a fossil fuel?

• Fuel made from ground up fossils.
• Fuels from the Fossil Company.
• Fuel created from once living organisms
• Renewable sources of energy.

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Renewable Resources...

• can be used and replaced over a relatively short period of time.

• take millions of years to form.

• include coal, oil, and natural gas.

• have too many disadvantages related to the environment to rely on them completely.

Why are coal, oil, and natural gas classified as nonrenewable resources?

• They are limitless.

• They exist in many places on Earth.
• They are originally from once-living things.
• They take millions of years to form.

Complete this list: wind, solar power, hydropower, biomass, ______________.

• nuclear
• geothermal
• fossil
• coal

Geothermal energy comes from ______________.

• water pollutants
• radioactive wastes
• burning coal in deep mines
• heat within the Earth

What is important to consider when deciding to use solar or wind power as a renewable energy source?

• A backup system is needed in case of cloudy days or days with no rain.
• How to minimize the amount of greenhouse gases emitted.
• How pollutants will affect the surrounding area.
• How to manage the large amounts of electricity generated.

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Which statement supports the opinion that a dam can harm a river ecosystem?

• they provide water for drinking and irrigation
• dams on rivers emit less pollution
• they can reduce flooding downstream during heavy rains
• they change water depth and alter the temperature of a river

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Which statement is true about wind power?

• It is weather dependent

• It releases greenhouse gases leading to climate change
• It is nonrenewable
• It is available everywhere