Climate Change Unit 4: Understanding the Greenhouse Effect

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Questions and Answers

What is the primary function of the greenhouse gases in the Earth's climate system?

  • To absorb heat from the sun
  • To trap heat from the Earth's surface (correct)
  • To influence the Earth's magnetic field
  • To regulate the Earth's rotation

What is the main purpose of a greenhouse?

  • To study the greenhouse effect
  • To conserve water
  • To grow plants, especially in the winter (correct)
  • To generate electricity

Which of the following is NOT a natural process that produces greenhouse gases?

  • Growth and death of plants and animals
  • Decaying of wood and other biodegradable materials
  • Water cycle
  • Industrial activities (correct)

What is the term used to describe the rise in global temperature due to the process of trapping heat from the Earth's surface?

<p>Greenhouse effect (A)</p>
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Which of the following is a characteristic of the greenhouse effect?

<p>It traps heat from the Earth's surface and re-emits it downwards (D)</p>
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Which of the following greenhouse gases is produced by volcanic activities?

<p>All of the above (D)</p>
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What is the average temperature of the Earth due to the natural greenhouse effect?

<p>15°C (D)</p>
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What would be the Earth's average surface temperature without the greenhouse effect?

<p>-15°C (B)</p>
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What is the main reason for the increase in greenhouse gases in the atmosphere?

<p>Industrialization and modern lifestyle (C)</p>
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What is the term used to describe the increase in the greenhouse effect due to human activities?

<p>Enhanced greenhouse effect (C)</p>
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What is the main cause of global warming today?

<p>Human activities (D)</p>
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What is the result of the combustion of fossil fuels during the Industrial Revolution?

<p>More carbon dioxide emissions (A)</p>
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What is the primary factor controlling climate change?

<p>The balance of energy between the Earth and its atmosphere (C)</p>
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According to the UNFCCC, what is the primary cause of climate change?

<p>Human activity that alters the composition of the global atmosphere (A)</p>
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What is the key difference between climate change and climate variability?

<p>Climate change refers to a change in the mean state of the climate, while climate variability refers to variations in the mean state and other statistics (B)</p>
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Which of the following is NOT a component of the climate system?

<p>The moon (D)</p>
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What is the time scale of climate variability?

<p>Decades or longer (C)</p>
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Which organization defines climate change as 'any change in climate over time, whether due to natural variability or as a result of human activity'?

<p>Intergovernmental Panel on Climate Change (IPCC) (D)</p>
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What is the primary difference between weather and climate?

<p>Weather is short-term, while climate is long-term (A)</p>
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Is it possible to stop climate change from happening if we stop emitting greenhouse gases now?

<p>Maybe, but it would require a significant reduction in emissions (C)</p>
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Is Typhoon Yolanda a direct result of climate change?

<p>It's unclear, more research is needed to determine the cause (A)</p>
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What is the main reason why it's difficult to predict weather from day to day?

<p>Because of the natural variability of the weather (A)</p>
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What is the greenhouse effect, and is it good for the planet?

<p>A natural process that traps heat, and it's bad for the planet (D)</p>
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Is climate change a part of the natural cycle of the Earth's climate?

<p>Maybe, but human activities have amplified the natural cycle (B)</p>
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