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Jouer Froggy Jumps
    • 1. What is the layer of air that surrounds our planet called?
    A
    Atmosphere
    B
    Troposphere
    C
    Stratosphere
    2. Which layer of the atmosphere is closest to the Earth?
    A
    Mesosphere
    B
    Troposphere
    C
    Exosphere
    3. What is the main function of the atmosphere?
    A
    To protect the Earth from falling objects
    B
    To provide oxygen for living organisms
    C
    To regulate the Earth's temperature
    4. Which layer of the atmosphere contains ozone?
    A
    Stratosphere
    B
    Thermosphere
    C
    Ionosphere
    5. In which layer of the atmosphere do most weather conditions happen?
    A
    Mesosphere
    B
    Troposphere
    C
    Exosphere
    6. Which layer of the atmosphere is the coldest?
    A
    Thermosphere
    B
    Ionosphere
    C
    Mesosphere
    7. Which layer of the atmosphere is the hottest?
    A
    Troposphere
    B
    Stratosphere
    C
    Thermosphere
    8. What is the layer of the atmosphere that contains electrically charged particles called?
    A
    Mesosphere
    B
    Exosphere
    C
    Ionosphere
    9. Which layer of the atmosphere is also known as outer space?
    A
    Thermosphere
    B
    Ionosphere
    C
    Exosphere
    10. What is the role of the ionosphere in making radio and television communications possible?
    A
    It absorbs ultraviolet rays from the sun
    B
    It reflects radio waves back to Earth
    C
    It contains electrically charged particles called ions