ESS
Grade-9
Easy
Question
Loss of ice present in sea by melting __________.
- May not intensify global warming may
- May lead to positive feedback that intensifies global warming
- Will lead to cooler temperature in the Arctic
- Will not affect the ecosystem
Hint:
Global warming is increasing the heat of Earth's atmosphere
The correct answer is: May lead to positive feedback that intensifies global warming
The major result of global warming is the melting of the ice sheets in the polar regions
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Assertion: Methane is a part of greenhouse gases that contributes to approximately 20% of global warming.
Reason: The use of multi-point fuel injection engines in automobiles has reduced the amount of methane in exhausts.
Assertion: Methane is a part of greenhouse gases that contributes to approximately 20% of global warming.
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Statement I: The global atmosphere is currently warming.
Statement II: The depletion of the stratospheric ozone layer has increased the amount of ultraviolet radiation reaching the earth.
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Statement II: The depletion of the stratospheric ozone layer has increased the amount of ultraviolet radiation reaching the earth.
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| 1. CH4, CO2, CFC |
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Read the following statements.
Select the strongest evidence for climate change.
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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
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Greenhouse gases are so-called because _________.
Greenhouse gases are so-called because _________.
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Though greenhouse effect is natural but still today’s climate change has become a serious problem. Why?
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What will happen to the climate, if we stop burning of fossil fuels today?
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The normal temperature of the Earth would have been_____________ if greenhouse gases were not present in the atmosphere.
The normal temperature of the Earth would have been_____________ if greenhouse gases were not present in the atmosphere.
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Global warming can be under control _____________.
Global warming can be under control _____________.
ESSGrade-9
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Assertion: CO2 is a major greenhouse gas.
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ESSGrade-9
