Ch 10: The atmosphere and climate change
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Questions and Answers

Which gas plays a crucial role in regulating Earth's temperature by trapping heat in the atmosphere?

  • Carbon Dioxide (correct)
  • Carbon Monoxide
  • Oxygen
  • Methane

    • What activity contributes significantly to the greenhouse effect by releasing carbon dioxide into the atmosphere?

  • Cement production (correct)
  • Agricultural expansion
  • Wind energy production
  • Organic waste decomposition

    • How does deforestation impact the release of CO2 into the atmosphere?

  • It decreases atmospheric CO2 levels
  • It releases stored carbon (correct)
  • It reduces methane emissions
  • It has no impact on greenhouse gases

    • What human activity results in significant methane emissions from livestock digestion and rice paddies?

    <p>Agricultural practices (B)</p> Signup and view all the answers

    What is the impact of veld fires and domestic burning on the atmosphere?

    <p>Contributes to atmospheric CO2 levels (B)</p> Signup and view all the answers

    Which fossil fuel combustion releases carbon dioxide and significantly contributes to the enhanced greenhouse effect?

    <p>Natural gas combustion (A)</p> Signup and view all the answers

    How do methane emissions impact the greenhouse effect compared to carbon dioxide?

    <p>Methane has a greater impact than CO2 (C)</p> Signup and view all the answers

    What is the primary driver of deforestation that leads to the release of stored carbon into the atmosphere?

    <p>Agricultural expansion (B)</p> Signup and view all the answers

    Why does burning of fossil fuels for energy and transportation contribute to the greenhouse effect?

    <p>It releases carbon dioxide into the atmosphere (A)</p> Signup and view all the answers

    Which activity releases significant amounts of CO2 contributing to atmospheric greenhouse gases?

    <p>Domestic wood burning (C)</p> Signup and view all the answers

    Which human activity is a significant contributor to methane emissions through enteric fermentation?

    <p>Livestock farming (C)</p> Signup and view all the answers

    What causes the release of methane into the atmosphere due to inadequate waste management practices?

    <p>Anaerobic decomposition of organic waste (C)</p> Signup and view all the answers

    What is a consequence of deforestation that exacerbates the enhanced greenhouse effect?

    <p>Reduced CO2-absorbing trees (D)</p> Signup and view all the answers

    What human activity intensifies the greenhouse effect by trapping excessive heat in the atmosphere?

    <p>Burning fossil fuels (C)</p> Signup and view all the answers

    Which pollutants deplete the ozone layer and increase harmful ultraviolet radiation?

    <p>Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) (B)</p> Signup and view all the answers

    What quantifies GHG emissions from individual or group activities?

    <p>Carbon footprint (C)</p> Signup and view all the answers

    What poses environmental challenges in South Africa due to a growing population and technological advancements?

    <p>Sustainable technologies (A)</p> Signup and view all the answers

    How do human activities contribute to climate change by altering the atmospheric composition?

    <p>Urbanization and deforestation (D)</p> Signup and view all the answers

    What gases have human activities led to an increase in concentrations, contributing to global warming and climate change?

    <p>Methane and CO2 (A)</p> Signup and view all the answers

    Which activity leads to CO2 and methane emissions through various human activities like fossil fuel combustion?

    <p>Industrial processes (A)</p> Signup and view all the answers

    What contributes to the intensification of the natural greenhouse effect?

    <p>Increasing greenhouse gas concentrations (D)</p> Signup and view all the answers

    Which environmental impact can result from rising sea levels induced by global warming?

    <p>Threatening coastal communities (A)</p> Signup and view all the answers

    How does deforestation contribute to the greenhouse effect?

    <p>It disrupts carbon sequestration (C)</p> Signup and view all the answers

    What approach is crucial for mitigating climate change according to the text?

    <p>Supporting sustainable agriculture (B)</p> Signup and view all the answers

    Which human activities result in emissions that contribute to global warming?

    <p>Burning of fossil fuels (C)</p> Signup and view all the answers

    What are the consequences of ecological disturbances caused by global warming?

    <p>Species extinction (C)</p> Signup and view all the answers

    How can ozone depletion be mitigated according to the text?

    <p>Phasing out ozone-depleting substances (A)</p> Signup and view all the answers

    Why does loss of forest cover contribute to environmental degradation?

    <p>It disrupts carbon sequestration (C)</p> Signup and view all the answers

    What plays a significant role in achieving environmental sustainability?

    <p>Collaboration between governments, businesses, and communities (D)</p> Signup and view all the answers

    What effect does global warming induce on extreme weather events?

    <p>Increased frequency and intensity (A)</p> Signup and view all the answers

    What human activities lead to the release of stored carbon into the atmosphere, exacerbating climate change?

    <p>Agricultural expansion (D)</p> Signup and view all the answers

    Which gas is significantly released by activities like wildfires and domestic wood burning, further contributing to greenhouse gases?

    <p>Methane (C)</p> Signup and view all the answers

    What is the main consequence of destruction of forests on the absorption of carbon dioxide?

    <p>Reduced absorption rate (C)</p> Signup and view all the answers

    What contributes significantly to the atmospheric concentrations of greenhouse gases due to activities like rice paddies?

    <p>Methane (A)</p> Signup and view all the answers

    Which industry's activities release significant carbon dioxide emissions into the atmosphere, contributing to the enhanced greenhouse effect?

    <p>Cement production (B)</p> Signup and view all the answers

    What activity leads to the release of carbon dioxide due to the combustion of coal, oil, and natural gas?

    <p>Fossil fuel burning (C)</p> Signup and view all the answers

    What contributes to the release of stored carbon into the atmosphere more than mining activities?

    <p>Logging (C)</p> Signup and view all the answers

    Which activity significantly contributes to methane emissions from livestock digestion?

    <p>Agricultural practices (C)</p> Signup and view all the answers

    What results in increased methane emissions due to organic waste decomposition?

    <p>Landfilling (B)</p> Signup and view all the answers

    What contributes significantly to carbon dioxide emissions related to power generation and transportation?

    <p>Fossil fuel burning (D)</p> Signup and view all the answers

    How do human activities impact the natural greenhouse effect?

    <p>By intensifying the effect through increased GHG concentrations (C)</p> Signup and view all the answers

    What is a consequence of deforestation in relation to the atmosphere?

    <p>Reducing carbon sequestration (A)</p> Signup and view all the answers

    What is a key reason that reducing individual carbon footprints is important?

    <p>To mitigate climate change (B)</p> Signup and view all the answers

    How does the burning of fossil fuels contribute to the greenhouse effect?

    <p>By emitting CO2 and methane (D)</p> Signup and view all the answers

    In what way does global warming affect sea levels?

    <p>By threatening coastal communities with rising sea levels (B)</p> Signup and view all the answers

    What is one of the effects of global warming on ecological systems?

    <p>Disrupting ecosystems and leading to species extinction (A)</p> Signup and view all the answers

    What practical step can aid in mitigating ozone depletion?

    <p>Phasing out ozone-depleting substances (D)</p> Signup and view all the answers

    What is the primary cause of rising sea levels according to the text?

    <p>Thermal expansion of seawater and melting ice caps (B)</p> Signup and view all the answers

    What contributes to environmental degradation as a result of deforestation?

    <p>Reduced biodiversity (B)</p> Signup and view all the answers

    Why is reducing energy consumption important for emission reduction?

    <p>To contribute to emission reduction efforts (B)</p> Signup and view all the answers

    What is a consequence of deforestation, particularly due to agriculture and mining, that exacerbates the enhanced greenhouse effect?

    <p>Increase in methane emissions (D)</p> Signup and view all the answers

    Which human activity directly contributes to methane emissions through fossil fuel extraction and transport?

    <p>Oil and gas operations (A)</p> Signup and view all the answers

    What pollutant leads to the depletion of the ozone layer, increasing harmful ultraviolet radiation?

    <p>Chlorofluorocarbons (CFCs) (C)</p> Signup and view all the answers

    How is the enhanced greenhouse effect intensified by human activities in terms of heat trapping?

    <p>Burning of fossil fuels (A)</p> Signup and view all the answers

    Which scenario contributes to rising sea levels threatening coastal communities and ecosystems?

    <p>Thermal expansion of seawater (D)</p> Signup and view all the answers

    How do inadequate waste management practices contribute to methane emissions and their release into the atmosphere?

    <p>Anaerobic decomposition of waste (B)</p> Signup and view all the answers

    Which human activity is crucial for enhancing carbon sequestration and biodiversity conservation?

    <p>Sustainable practices in agriculture and forestry (D)</p> Signup and view all the answers

    How do leaks from natural gas pipelines and extraction sites contribute to atmospheric methane levels?

    <p>Contribute to methane emissions (C)</p> Signup and view all the answers

    How are global temperatures affected by human activities that trap excessive heat in the atmosphere?

    <p>Global temperature rise (C)</p> Signup and view all the answers

    In what way do anthropogenic activities influence climate change?

    <p>Alteration of weather patterns (A)</p> Signup and view all the answers

    What is the primary consequence of excessive concentrations of greenhouse gases on Earth's climate?

    <p>Leading to global warming (D)</p> Signup and view all the answers

    Which activity significantly contributes to atmospheric greenhouse gases by releasing carbon dioxide during combustion?

    <p>Burning of fossil fuels for energy (D)</p> Signup and view all the answers

    What is the primary cause of methane emissions related to agriculture?

    <p>Rice paddy cultivation (C)</p> Signup and view all the answers

    How does deforestation affect the greenhouse effect?

    <p>Increases atmospheric greenhouse gases (D)</p> Signup and view all the answers

    What activity releases significant amounts of methane emissions apart from wildfires?

    <p>Biogas production (A)</p> Signup and view all the answers

    Which gas plays a crucial role in trapping heat in the atmosphere and regulating Earth's temperature?

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

    How do human activities contribute to the enhanced greenhouse effect?

    <p>By burning fossil fuels, deforesting, and industrial processes (C)</p> Signup and view all the answers

    What contributes significantly to methane emissions due to enteric fermentation in livestock?

    <p>Agriculture and timber demand (C)</p> Signup and view all the answers

    What activities lead to the depletion of the ozone layer?

    <p>Releasing pollutants like CFCs and HCFCs (C)</p> Signup and view all the answers

    How does deforestation impact the greenhouse effect?

    <p>By exacerbating the enhanced greenhouse effect (A)</p> Signup and view all the answers

    What is one consequence of ozone layer depletion?

    <p>Higher risks of skin cancer and cataracts (B)</p> Signup and view all the answers

    Which of the following helps in mitigating climate change according to the text?

    <p>Encouraging sustainable agriculture (C)</p> Signup and view all the answers

    What contributes to the intensification of the greenhouse effect leading to global warming and climate change?

    <p>Increase in greenhouse gas concentrations (B)</p> Signup and view all the answers

    How does deforestation impact the environment in terms of greenhouse gas emissions?

    <p>It contributes to the release of stored CO2, worsening the greenhouse effect (C)</p> Signup and view all the answers

    Which human activity results in reduced biodiversity, habitat degradation, and species extinction?

    <p>Deforestation altering ecosystems (A)</p> Signup and view all the answers

    What is a key consequence of rising sea levels induced by global warming?

    <p>Increased risk to coastal infrastructure (A)</p> Signup and view all the answers

    What effect does the burning of fossil fuels have on the greenhouse effect and climate change?

    <p>Traps excessive heat in the atmosphere (B)</p> Signup and view all the answers

    How do human activities contribute to ecological disturbances resulting in biodiversity loss?

    <p>By shifting temperature and precipitation patterns (B)</p> Signup and view all the answers

    What is a crucial step in mitigating environmental challenges related to the release of stored CO2 from deforestation?

    <p>Implementing reforestation measures (D)</p> Signup and view all the answers

    Which scenario poses a significant threat to coastal communities and infrastructure due to rising sea levels?

    <p>Melting polar ice caps (C)</p> Signup and view all the answers

    What activities lead to the release of stored carbon into the atmosphere, exacerbating climate change?

    <p>Agricultural expansion and deforestation (A)</p> Signup and view all the answers

    What would significantly contribute to atmospheric greenhouse gases by releasing carbon dioxide during combustion?

    <p>Burning coal for energy (B)</p> Signup and view all the answers

    Which industry's activities release significant carbon dioxide emissions into the atmosphere, contributing to the enhanced greenhouse effect?

    <p>Cement production (C)</p> Signup and view all the answers

    What is a significant source of methane emissions related to agricultural practices?

    <p>Livestock digestion (B)</p> Signup and view all the answers

    How do veld fires and domestic burning contribute to atmospheric greenhouse gases?

    <p>By releasing significant amounts of CO2 (D)</p> Signup and view all the answers

    Apart from fossil fuels, which activity significantly releases significant carbon dioxide contributing to atmospheric greenhouse gases?

    <p>Veld fires (C)</p> Signup and view all the answers

    What would result in the release of significant amounts of methane emissions apart from agricultural practices?

    <p>Forest fires (C)</p> Signup and view all the answers

    What human activities contribute to environmental degradation as a result of deforestation?

    <p>Urbanization (D)</p> Signup and view all the answers

    Apart from deforestation, what contributes significantly to carbon dioxide emissions related to the power generation industry?

    <p>Nuclear power plants (A)</p> Signup and view all the answers

    How does deforestation exacerbate the enhanced greenhouse effect?

    <p>By reducing CO2-absorbing trees and disrupting ecosystems (B)</p> Signup and view all the answers

    Why is the burning of fossil fuels a significant contributor to the greenhouse effect?

    <p>By trapping excessive heat in the atmosphere through GHG emissions (D)</p> Signup and view all the answers

    What is a consequence of ozone layer depletion caused by pollutants like CFCs?

    <p>Risks to human health from harmful UV radiation (B)</p> Signup and view all the answers

    How do human activities contrinute to climate change and altered weather patterns?

    <p>By altering atmospheric composition through GHG emissions (B)</p> Signup and view all the answers

    What role do methane emissions from livestock farming predominantly play in the greenhouse effect?

    <p>Intensifying the natural greenhouse effect (A)</p> Signup and view all the answers

    In what way does the release of methane from natural gas pipelines contribute to environmental challenges?

    <p>By increasing methane emissions and atmospheric pollution (A)</p> Signup and view all the answers

    Why is it essential to address human impact on the environment for a sustainable future?

    <p>To tackle climate change challenges and ensure sustainable technologies (C)</p> Signup and view all the answers

    What is a key measure to reduce individual or group carbon footprints?

    <p>Adopting energy-efficient technologies to reduce emissions (A)</p> Signup and view all the answers

    How do anthropogenic activities contribute to global warming?

    <p>By releasing GHGs, trapping heat and raising global temperatures (A)</p> Signup and view all the answers

    What negative impact does the depletion of the ozone layer have on human health?

    <p>Increase in harmful UV radiation effects (D)</p> Signup and view all the answers

    Which human activities intensify the natural greenhouse effect by increasing concentrations of greenhouse gases?

    <p>Burning fossil fuels and deforestation practices (B)</p> Signup and view all the answers

    What poses a threat to coastal communities and infrastructure due to the thermal expansion of seawater and melting ice caps?

    <p>Rising sea levels induced by global warming (C)</p> Signup and view all the answers

    How does deforestation contribute to the greenhouse effect and environmental degradation?

    <p>By releasing stored CO2 from trees and disrupting carbon sequestration (B)</p> Signup and view all the answers

    What is crucial for mitigating climate change according to sustainable practices outlined in the text?

    <p>Reducing individual carbon footprints through energy-saving measures (D)</p> Signup and view all the answers

    Which human activities significantly release CO2 stored in trees, contributing to the greenhouse effect?

    <p>Deforestation practices and land-use changes (D)</p> Signup and view all the answers

    What is a primary strategy for reducing carbon footprints and contributing to emission reduction efforts?

    <p>Implementing energy-efficient technologies and supporting sustainable agriculture (C)</p> Signup and view all the answers

    What plays a significant role in biodiversity loss, habitat degradation, and species extinction due to shifts in temperature and precipitation patterns?

    <p>Disrupting ecosystems and altering hydrological cycles (A)</p> Signup and view all the answers

    Which pollutants contribute to ozone depletion, posing health risks and environmental damage?

    <p>Chlorofluorocarbons (CFCs) and other ozone-depleting substances (A)</p> Signup and view all the answers

    How can ozone depletion be mitigated according to international agreements like the Montreal Protocol?

    <p>Phasing out ozone-depleting substances and promoting alternative technologies (C)</p> Signup and view all the answers

    What is essential for achieving environmental sustainability and mitigating the adverse effects of human activities on the planet?

    <p>Adopting energy-efficient technologies and reforestation practices (B)</p> Signup and view all the answers

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