Questions: Revision activity 14 1. Match the phrase in Column A with the term in Column B. Column A Column B A. Rapid increase in temperature to above 1000°C 1. Ozone B. Weather occurs here 2. Thermosphere C. Temperature increases with increasing altitude 3. Troposphere D. Meteors burn up in this layer 4. Stratosphere E. Compound that absorbs ultraviolet radiation 5. Mesosphere 2. Tabulate the gases found in our atmosphere. Include information about the percentages present and their uses. 3. Air pollution occurs largely as a result of energy generation and usage. What are the three main environmental concerns arising from air pollution? 4. What is ozone and why is it important for life on Earth? The following questions refer to global warming: 5. Why is it important that our globe is warm? 6. What are the gases responsible for keeping the temperature of the Earth constant and warm called? 7. Name two of these gases. 8. These gases have been present for millions of years. Why are we now facing a problem of global warming? 9. How do these gases actually cause global warming? 10. Does it really matter if the temperature of the Earth increases by a few degrees? Explain your answer fully.

Revision activity 14 1. Match the phrase in Column A with the term in Column B. Column A Column B A. Rapid increase in temperature to above 1000°C 1. Ozone B. Weather occurs here 2. Thermosphere C. Temperature increases with increasing altitude 3. Troposphere D. Meteors burn up in this layer 4. Stratosphere E. Compound that absorbs ultraviolet radiation 5. Mesosphere 2. Tabulate the gases found in our atmosphere. Include information about the percentages present and their uses. 3. Air pollution occurs largely as a result of energy generation and usage. What are the three main environmental concerns arising from air pollution? 4. What is ozone and why is it important for life on Earth? The following questions refer to global warming: 5. Why is it important that our globe is warm? 6. What are the gases responsible for keeping the temperature of the Earth constant and warm called? 7. Name two of these gases. 8. These gases have been present for millions of years. Why are we now facing a problem of global warming? 9. How do these gases actually cause global warming? 10. Does it really matter if the temperature of the Earth increases by a few degrees? Explain your answer fully.
Transcript text: Revision activity 14 1. Match the phrase in Column A with the term in Column B . \begin{tabular}{|l|l|} \hline Column A & Column B \\ \hline A. Rapid increase in temperature to above $\mathbf{1 0 0 0}^{-\mathrm{C}}$ & 1. Ozone \\ \hline B. Weather occurs here & 2. Thermosphere \\ \hline C. Temperature increases with increasing altitude & 3. Troposphere \\ \hline D. Meteors burn up in this layer & 4. Stratosphere \\ \hline E. Compound that absorbs ultraviolet radiation & 5. Mesosphere \\ \hline \end{tabular} 2. Tabulate the gases found in our atmosphere. Include information about the percentages present and their uses. 3. Air pollution occurs largely as a result of energy generation and usage. What are the three main environmental concerns arising from air pollution? 4. What is ozone and why is it important for life on Earth? The following questions refer to global warming: 5. Why is it important that our globe is warm? 6. What are the gases responsible for keeping the temperature of the Earth constant and warm called? 7. Name two of these gases. 8. These gases have been present for millions of years. Why are we now facing a problem of global warming? 9. How do these gases actually cause global warming? 10. Does it really matter if the temperature of the Earth increases by a few degrees? Explain your answer fully. Total: o Heinemann 2013 This page may be phot
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Solution

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  1. Match the phrase in Column A with the term in Column B:

    • A. Rapid increase in temperature to above 1000°C: The answer is 2. Thermosphere. The thermosphere is known for its high temperatures, which can rise significantly above 1000°C due to solar activity.

    • B. Weather occurs here: The answer is 3. Troposphere. The troposphere is the lowest layer of Earth's atmosphere where most weather phenomena occur.

    • C. Temperature increases with increasing altitude: The answer is 4. Stratosphere. In the stratosphere, temperature increases with altitude due to the absorption of ultraviolet radiation by the ozone layer.

    • D. Meteors burn up in this layer: The answer is 5. Mesosphere. The mesosphere is the layer where most meteors burn up upon entering Earth's atmosphere.

    • E. Compound that absorbs ultraviolet radiation: The answer is 1. Ozone. Ozone in the stratosphere absorbs the majority of the sun's harmful ultraviolet radiation.

  2. Tabulate the gases found in our atmosphere. Include information about the percentages present and their uses:

    • Nitrogen (N₂): Approximately 78%. It is essential for the growth of plants and is a major component of the Earth's atmosphere.

    • Oxygen (O₂): Approximately 21%. It is crucial for respiration in most living organisms and is used in combustion processes.

    • Argon (Ar): Approximately 0.93%. It is used in light bulbs and as an inert gas in welding.

    • Carbon Dioxide (CO₂): Approximately 0.04%. It is used by plants in photosynthesis and is a greenhouse gas.

    • Other gases (including neon, helium, methane, krypton, hydrogen, and xenon): Trace amounts. These gases have various industrial and scientific uses.

  3. Air pollution occurs largely as a result of energy generation and usage. What are the three main environmental concerns arising from air pollution?

    • Health impacts: Air pollution can cause respiratory and cardiovascular diseases, leading to increased mortality and morbidity.

    • Climate change: Emissions of greenhouse gases contribute to global warming and climate change, affecting ecosystems and weather patterns.

    • Environmental degradation: Air pollution can lead to acid rain, which harms soil, water bodies, and vegetation, and can damage buildings and infrastructure.

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