Environmental Science FINAL Exam 2020

Your Ecological or Carbon Footprint is the ratio of 

• the amount of resources you use to the amount of resources available
• how many people there are on earth to how much space we have on earth
• people to cars
• robots available to robots needed

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Sustainability is making sure that the planet and its resources can continue to provide life.

• True

• False

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What does "reduce" mean?

• use more

• use less

• make new things

• save the Earth

The conditions in an area over a long period of time?

• Climate
• Weather

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What is the definition of renewable energy sources?

• sources of energy that will never go away or be used up

• Sources of energy that can go away and be used up

• Wind, Solar, Hydro, Geothermal

• Coal, Oil, Gas

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What are examples of non-renewable energy sources?

• Geothermal

• Coal

• Oil

• Hydro

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What are examples of renewable energy sources?

• Solar

• Wind

• Coal

• Gas

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Living vegetation and the ocean are known as "carbon sinks" because

• they are made of carbon.

• they create carbon.

• they destroy carbon.

• they store carbon.

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The main use of fossil fuels by humans is to use the thermal energy they contain to produce_________________________

• biodiesel

• ethanol

• electricity

• nuclear power

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Where does the energy from an ecosystem come from?

• Trees

• Sun

• Plants

• Water

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