Air and Air Pollution Basics
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Questions and Answers

Where is the protective ozone layer located in the Earth's atmosphere?

  • Mesosphere
  • Ionosphere
  • Stratosphere (correct)
  • Magnetosphere
  • Which layer of the atmosphere contains about 75% of the atmosphere?

  • Magnetosphere
  • Mesosphere
  • Ionosphere
  • Troposphere (correct)
  • At what altitude does the concentration of protective ozone peak in the stratosphere?

  • 8km
  • 50km
  • 16km
  • 22km (correct)
  • Which layer of the atmosphere gets colder near the top, reaching temperatures as low as -75˚C?

    <p>Troposphere</p> Signup and view all the answers

    Which type of pollutants are emitted by nonpoint sources of air pollution?

    <p>Cars</p> Signup and view all the answers

    Which are examples of point sources of air pollution?

    <p>Sewage treatment plants</p> Signup and view all the answers

    What is the main function of the ionosphere?

    <p>Containing electrically charged particles that can interfere with radio broadcasts</p> Signup and view all the answers

    At what altitude does the mesosphere begin?

    <p>50 – 80 km above Earth’s surface</p> Signup and view all the answers

    Which layer of the atmosphere experiences shooting stars blazing up?

    <p>Mesosphere</p> Signup and view all the answers

    What phenomenon is associated with the magnetosphere?

    <p>Creation of Northern and Southern Lights</p> Signup and view all the answers

    Which layer of the atmosphere is characterized by a temperature rise up to 230˚C?

    <p>Thermosphere</p> Signup and view all the answers

    What is NOT an essential element for life mentioned in the text?

    <p>$\text{Methane (CH}_4\text{)}$</p> Signup and view all the answers

    Which of the following is considered a secondary pollutant?

    <p>Sulfuric acid</p> Signup and view all the answers

    Which air pollutant is directly released into the air by point and nonpoint sources?

    <p>Carbon monoxide</p> Signup and view all the answers

    What type of air pollutant is formed from the chemical reactions of primary pollutants and other substances?

    <p>Ozone</p> Signup and view all the answers

    Which air pollutant is known for being a very corrosive acid that can make rainwater acidic?

    <p>Sulfuric acid</p> Signup and view all the answers

    What can make rainwater acidic due to its formation from chemical reactions involving sulfur dioxide?

    <p>Sulfuric acid</p> Signup and view all the answers

    Which air pollutant is primarily released from volcanic emissions?

    <p>Sulfur dioxide</p> Signup and view all the answers

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