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    ESS
    Grade-9
    Easy

    Question

    The spatial coverage of sea ice will decrease as carbon dioxide levels rise. As a result, the reduced sea ice extent is a ________.

    1. Positive feedback on surface temperature because it has a higher albedo than the ocean.
    2. Positive feedback on surface temperature because it has a lower albedo than the ocean. 
    3. Because sea ice has a lower heat capacity than the ocean, there is positive feedback on surface temperature.
    4. Both B and C are true.

    The correct answer is: Positive feedback on surface temperature because it has a higher albedo than the ocean.

    Related Questions to study

    Grade-9
    ESS

    ________ has the least effect of climate change in forests.

    1. Quality and quantity of wood supply
    2. Loss of biodiversity
    3. Employment in forest region.
    4. Length of plants

    ________ has the least effect of climate change in forests.

    ESSGrade-9
    1. Quality and quantity of wood supply
    2. Loss of biodiversity
    3. Employment in forest region.
    4. Length of plants
    Grade-9
    ESS

    ________ is the strongest evidence for climate change.

    1. A colder than normal winter.
    2. A warmer than normal summer.
    3. A pattern of severe storms affecting the major cities in winter season.
    4. A form of rising frequency and intensity of storms over many years

    ________ is the strongest evidence for climate change.

    ESSGrade-9
    1. A colder than normal winter.
    2. A warmer than normal summer.
    3. A pattern of severe storms affecting the major cities in winter season.
    4. A form of rising frequency and intensity of storms over many years
    Grade-9
    ESS

    How do low clouds trigger the surface temperature on average (in comparison to a clear sky)?

    1. Low clouds warm the surface by boosting the greenhouse effect.
    2. Low clouds cool the surface by raising the amount of energy radiated to space.
    3. Low clouds cool the the surface by raising the albedo.
    4. It depends on wh5ether they are made of ice or liquid water.

    How do low clouds trigger the surface temperature on average (in comparison to a clear sky)?

    ESSGrade-9
    1. Low clouds warm the surface by boosting the greenhouse effect.
    2. Low clouds cool the surface by raising the amount of energy radiated to space.
    3. Low clouds cool the the surface by raising the albedo.
    4. It depends on wh5ether they are made of ice or liquid water.
    parallel
    Grade-9
    ESS

    ________ gas does not add to the global warming.

    1. CH4
    2. CO2
    3. S
    4. C2H2

    ________ gas does not add to the global warming.

    ESSGrade-9
    1. CH4
    2. CO2
    3. S
    4. C2H2
    Grade-9
    ESS

    Climate model is used to forecast ________.

    1. Local air movement
    2. Coverage of ice on land
    3. Ocean temperature
    4. All of these

    Climate model is used to forecast ________.

    ESSGrade-9
    1. Local air movement
    2. Coverage of ice on land
    3. Ocean temperature
    4. All of these
    Grade-9
    ESS

    Which one is not a suitable option if we are aiming to reduce global warming?

    1. Recycling of products
    2. Afforestation
    3. Improving agricultural capacity by using fertilizers
    4. Saving water

    Which one is not a suitable option if we are aiming to reduce global warming?

    ESSGrade-9
    1. Recycling of products
    2. Afforestation
    3. Improving agricultural capacity by using fertilizers
    4. Saving water
    parallel
    Grade-9
    ESS

    Select the incorrect statement.

    1. Greenhouse gases are essential for our existence.
    2. Earth’s atmosphere would be freezing up without greenhouse gases.
    3. Ozone an abundant greenhouse gas.
    4. HCFCs are responsible for the depletion of ozone layer.

    Select the incorrect statement.

    ESSGrade-9
    1. Greenhouse gases are essential for our existence.
    2. Earth’s atmosphere would be freezing up without greenhouse gases.
    3. Ozone an abundant greenhouse gas.
    4. HCFCs are responsible for the depletion of ozone layer.
    Grade-9
    ESS

    Greenhouse effect is ______.

    1. The name of the climate.
    2. Painting our house with green color.
    3. Building greenhouse
    4. The gases in the atmosphere trap heat and block it from escaping the Earth.

    Greenhouse effect is ______.

    ESSGrade-9
    1. The name of the climate.
    2. Painting our house with green color.
    3. Building greenhouse
    4. The gases in the atmosphere trap heat and block it from escaping the Earth.
    Grade-9
    ESS

    _______ is not a CO2 emitter.

    1. Plants
    2. Fossil fuels
    3. Changes in land use
    4. All of these

    _______ is not a CO2 emitter.

    ESSGrade-9
    1. Plants
    2. Fossil fuels
    3. Changes in land use
    4. All of these
    parallel
    Grade-9
    ESS

    _________ is mainly responsible for greenhouse gas effect.

    1. Oxygen
    2. Carbon dioxide
    3. Carbon dioxide
    4. Carbon monoxide

    _________ is mainly responsible for greenhouse gas effect.

    ESSGrade-9
    1. Oxygen
    2. Carbon dioxide
    3. Carbon dioxide
    4. Carbon monoxide
    Grade-9
    ESS

    _________ do not produce carbon dioxide.

    1. Wind energy
    2. Geothermal energy
    3. Hydroelectric energy
    4. All of the above

    _________ do not produce carbon dioxide.

    ESSGrade-9
    1. Wind energy
    2. Geothermal energy
    3. Hydroelectric energy
    4. All of the above
    Grade-9
    ESS

    _________ is not a greenhouse gas.

    1. Carbon monoxide
    2. Methane
    3. Nitrous oxide
    4. CFC’s

    _________ is not a greenhouse gas.

    ESSGrade-9
    1. Carbon monoxide
    2. Methane
    3. Nitrous oxide
    4. CFC’s
    parallel
    Grade-9
    ESS

    Global warming is the rise in _______ of the Earth’s climate.

    1. Nitrogen level
    2. Temperature
    3. Pressure
    4. Oxygen level

    Global warming is the rise in _______ of the Earth’s climate.

    ESSGrade-9
    1. Nitrogen level
    2. Temperature
    3. Pressure
    4. Oxygen level
    Grade-9
    ESS

    ___________ is the main cause of rise in the mean sea level.

    1. Melting of glaciers
    2. Melting of sea ice
    3. Expansion of sea water as it gets warmer
    4. All of these

    ___________ is the main cause of rise in the mean sea level.

    ESSGrade-9
    1. Melting of glaciers
    2. Melting of sea ice
    3. Expansion of sea water as it gets warmer
    4. All of these
    Grade-10
    ESS

    We know that the greenhouse effect is natural, then why its increase has become a serious issue?

    1. Because a slight increase in greenhouse gas concentration can have a significant impact on rise in temperatures.

    2. Because humans have modified a natural method and exaggerated changes that might normally happen over millions of years.

    3. Because once greenhouse gases released into the atmosphere, they remain effective for many years, making it hard to reverse the process.

    4. Because Unexpected changes to the climate system may have accidental outcomes that may cause challenges for societies, such as severe weather, spread of diseases, a decrease in marine life, or changes in ocean circulation patterns.

    We know that the greenhouse effect is natural, then why its increase has become a serious issue?

    ESSGrade-10
    1. Because a slight increase in greenhouse gas concentration can have a significant impact on rise in temperatures.

    2. Because humans have modified a natural method and exaggerated changes that might normally happen over millions of years.

    3. Because once greenhouse gases released into the atmosphere, they remain effective for many years, making it hard to reverse the process.

    4. Because Unexpected changes to the climate system may have accidental outcomes that may cause challenges for societies, such as severe weather, spread of diseases, a decrease in marine life, or changes in ocean circulation patterns.

    parallel

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