Reducing Carbon Footprints
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Questions and Answers

Which of the following best describes a carbon footprint?

  • The absorption of sun's energy by the Earth's surface
  • The process of trapping heat in a greenhouse
  • The total amount of greenhouse gases generated by our actions (correct)
  • The gradual increase in the earth's temperature

What is the main cause of global warming?

  • The greenhouse effect caused by CFCs
  • The absorption of sun's energy by the Earth's surface
  • The use of coal
  • Increased levels of carbon dioxide and other pollutants (correct)

Which of the following is NOT a way to reduce global warming?

  • Planting trees
  • Powering your home with renewable energy
  • Driving a fuel-efficient vehicle
  • Increasing water waste (correct)

What happens in the greenhouse effect?

<p>Certain gases trap heat and raise global temperatures (C)</p> Signup and view all the answers

What percentage of the sun's energy is absorbed by the Earth's surface?

<p>Just under half (A)</p> Signup and view all the answers

Which of the following best defines a carbon footprint?

<p>The total amount of greenhouse gases generated by our actions (C)</p> Signup and view all the answers

What is the greenhouse effect?

<p>The process of trapping heat in a greenhouse (D)</p> Signup and view all the answers

What are the main greenhouse gases contributing to global warming?

<p>Carbon dioxide and methane (A)</p> Signup and view all the answers

Which of the following is NOT a way to reduce global warming?

<p>Increasing coal usage (A)</p> Signup and view all the answers

What percentage of the sun's energy is absorbed by the Earth's surface?

<p>Just under half (B)</p> Signup and view all the answers

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