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    ESS
    Grade-9
    Easy

    Question

    Which of the following is the most likely way to help slow the greenhouse effect?

    1. Ensuring that all excess paper packaging is incinerated.
    2. Encouraging the use of private transportation rather than public transportation.
    3. Converting tropical forests into cattle grazing land.
    4. Redesigning land-fill dumps to allow for methane collection.

    Hint:

    Methane collection will reduce greenhouse effect

    The correct answer is: Redesigning land-fill dumps to allow for methane collection.

      In the above said way one can reduce the emission of methane thereby decreasing the amount of methane in the atmosphere therefore ultimately reducing global warming

      Related Questions to study

      Grade-9
      ESS

      Statement 1: The greenhouse effect is caused by a thick layer of carbon dioxide in the atmosphere.
      Statement 2: The glass panels of a greenhouse allow sunlight to pass through while preventing heat from being re-radiated into space.

      1. Statement 1 is correct but statement 2 is incorrect.
      2. Statement 1 is incorrect but statement 2 is correct.
      3. Both the statements are correct.
      4. Both the statements are incorrect

      Statement 1: The greenhouse effect is caused by a thick layer of carbon dioxide in the atmosphere.
      Statement 2: The glass panels of a greenhouse allow sunlight to pass through while preventing heat from being re-radiated into space.

      ESSGrade-9
      1. Statement 1 is correct but statement 2 is incorrect.
      2. Statement 1 is incorrect but statement 2 is correct.
      3. Both the statements are correct.
      4. Both the statements are incorrect
      Grade-9
      ESS

      Assertion (A) The presence of green plants is required for the greenhouse effect.
      Reason (R) Green plants' chlorophyll causes the greenhouse effect.

      1. Both assertion and reason are true, and reason is the correct explanation of assertion.
      2. Both assertion and reason are true, but reason is not the correct explanation of assertion.
      3. Assertion is true, but reason is false.
      4. Both Assertion and reason are false.

      Assertion (A) The presence of green plants is required for the greenhouse effect.
      Reason (R) Green plants' chlorophyll causes the greenhouse effect.

      ESSGrade-9
      1. Both assertion and reason are true, and reason is the correct explanation of assertion.
      2. Both assertion and reason are true, but reason is not the correct explanation of assertion.
      3. Assertion is true, but reason is false.
      4. Both Assertion and reason are false.
      Grade-9
      ESS

      Read the following statements.
      Select 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.

      1. 1 and 3
      2. 1, 2 and 4
      3. Only 2 and 4
      4. Only 4

      Read the following statements.
      Select 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.

      ESSGrade-9
      1. 1 and 3
      2. 1, 2 and 4
      3. Only 2 and 4
      4. Only 4
      parallel
      Grade-9
      ESS

      Greenhouse gases are so-called because _________.

      1. They prevents heat waves from escaping from the earth's surface
      2. They are grown in greenhouses
      3. They are used to warm plant growth chambers
      4. They contribute to the maintenance of atmospheric oxygen and carbon dioxide balance

      Greenhouse gases are so-called because _________.

      ESSGrade-9
      1. They prevents heat waves from escaping from the earth's surface
      2. They are grown in greenhouses
      3. They are used to warm plant growth chambers
      4. They contribute to the maintenance of atmospheric oxygen and carbon dioxide balance
      Grade-9
      ESS

      Pick odd one out.

      1. CH4
      2. CO2

      3. CFC

      4. C2H2

      Pick odd one out.

      ESSGrade-9
      1. CH4
      2. CO2

      3. CFC

      4. C2H2
      Grade-9
      ESS

      Though greenhouse effect is natural but still today’s climate change has become a serious problem. Why?

      1. Because unexpected changes to the climate system may have accidental outcomes that may cause challenges for societies.

      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 a small increase in greenhouse gas concentration can have a great impact on rise in temperatures.

      Though greenhouse effect is natural but still today’s climate change has become a serious problem. Why?

      ESSGrade-9

      1. Because unexpected changes to the climate system may have accidental outcomes that may cause challenges for societies.

      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 a small increase in greenhouse gas concentration can have a great impact on rise in temperatures.
      parallel
      Grade-9
      ESS

      What will happen to the climate, if we stop burning of fossil fuels today?

      1. Earth's normal temperature would continue to increase.
      2. Temperatures would remain to warm, then start to cool down in 100 years or more.
      3. Temperatures would keep on fluctuating but continue to be the same on an average.
      4. Temperatures will not be rising once greenhouse gas concentrations stopped rising.

      What will happen to the climate, if we stop burning of fossil fuels today?

      ESSGrade-9
      1. Earth's normal temperature would continue to increase.
      2. Temperatures would remain to warm, then start to cool down in 100 years or more.
      3. Temperatures would keep on fluctuating but continue to be the same on an average.
      4. Temperatures will not be rising once greenhouse gas concentrations stopped rising.
      Grade-9
      ESS

      The normal temperature of the Earth would have been_____________ if greenhouse gases were not present in the atmosphere.

      1. 33ﹾC less than the current average
      2. 33ﹾC more than the current average
      3. 18ﹾC less than the current average
      4. 15ﹾC less than the current average temperature

      The normal temperature of the Earth would have been_____________ if greenhouse gases were not present in the atmosphere.

      ESSGrade-9
      1. 33ﹾC less than the current average
      2. 33ﹾC more than the current average
      3. 18ﹾC less than the current average
      4. 15ﹾC less than the current average temperature
      Grade-9
      ESS

      Global warming can be under control _____________.

      1. By reducing reforestation and increasing the use of fossil fuel
      2. By increasing deforestation and slowing down the growth of human population

        By increasing deforestation and decreasing efficiency of energy usage  

      3. By increasing deforestation and decreasing efficiency of energy usage
      4. By reducing deforestation and cutting down use of fossil fuel

      Global warming can be under control _____________.

      ESSGrade-9
      1. By reducing reforestation and increasing the use of fossil fuel
      2. By increasing deforestation and slowing down the growth of human population

        By increasing deforestation and decreasing efficiency of energy usage  

      3. By increasing deforestation and decreasing efficiency of energy usage
      4. By reducing deforestation and cutting down use of fossil fuel
      parallel
      Grade-9
      ESS

      Assertion: CO2 is a major greenhouse gas.
      Reason: Increase in CO2 level leads to decrease in Earth’s temperature.

      1. If both assertion and reason are true and reason is the correct explanation of assertion.
      2. Both assertion and reason are true, but reason is not the correct explanation of assertion. 
      3. Assertion is true, but reason is false.
      4. Assertion is false, but reason is true.

      Assertion: CO2 is a major greenhouse gas.
      Reason: Increase in CO2 level leads to decrease in Earth’s temperature.

      ESSGrade-9
      1. If both assertion and reason are true and reason is the correct explanation of assertion.
      2. Both assertion and reason are true, but reason is not the correct explanation of assertion. 
      3. Assertion is true, but reason is false.
      4. Assertion is false, but reason is true.
      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

      Thinning of ozone layer is due to __________.

      1. O2
      2. CFC
      3. BFC
      4. N2O

      Thinning of ozone layer is due to __________.

      ESSGrade-9
      1. O2
      2. CFC
      3. BFC
      4. N2O
      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 is the very 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 is the very abundant greenhouse gas.
      4. HCFCs are responsible for the depletion of ozone layer.
      Grade-9
      ESS

      What is the change between the greenhouse effect and global warming?

      1. Greenhouse effect: Heat escapes in space. Greenhouse gases: block escaping heat and enters the earth.
      2. Greenhouse effect: Heat escapes in space. Greenhouse gases: Decreases escaping heat and enters the water.
      3. Both a and b correct.
      4. Both a and b incorrect.

      What is the change between the greenhouse effect and global warming?

      ESSGrade-9
      1. Greenhouse effect: Heat escapes in space. Greenhouse gases: block escaping heat and enters the earth.
      2. Greenhouse effect: Heat escapes in space. Greenhouse gases: Decreases escaping heat and enters the water.
      3. Both a and b correct.
      4. Both a and b incorrect.
      Grade-9
      ESS

      Match the following
      Greenhouse gas
      		 Contribution to greenhouse effect (%)
      1. Carbon dioxide
      		 a. 6%
      2. Nitrous oxide
      		 b. 14%
      3. Methane
      		 c. 20%
      4. Carbon fluorocarbon
      		 d. 60%

      1. 1 – d, 2 -a, 3 – c, 4 – b
      2. 1 -d, 2 -c, 3 -b, 4 -a
      3. 1 -c, 2- b, 3 – d, 4 – a
      4. 1 -d, 2 -a, 3 – b, 4 - c

      Match the following
      Greenhouse gas
      		 Contribution to greenhouse effect (%)
      1. Carbon dioxide
      		 a. 6%
      2. Nitrous oxide
      		 b. 14%
      3. Methane
      		 c. 20%
      4. Carbon fluorocarbon
      		 d. 60%

      ESSGrade-9
      1. 1 – d, 2 -a, 3 – c, 4 – b
      2. 1 -d, 2 -c, 3 -b, 4 -a
      3. 1 -c, 2- b, 3 – d, 4 – a
      4. 1 -d, 2 -a, 3 – b, 4 - c
      parallel

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