Q. Troposphere contains nearly 80% of the atmosphere by mass.

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Q. What does the term “overcast” define?

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Q. Twinkling of stars is otherwise known as scintillation.

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Q. What does ITCZ stand for corresponding to global wind patterns?

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Q. By how much has atmospheric carbon dioxide concentration increased ever since the Industrial Revolution?

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Q. Which is the most abundant greenhouse gas in the atmosphere?

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Q. What does the phrase “anthropogenic CO₂ emissions” mean?

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Q. Which of the following is the largest sink for carbon dioxide gas?

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Q. Apart from Earth, which other celestial body(s) exhibits greenhouse gas effect?

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Q. Which of the following bodies in the solar system has anti-greenhouse effect?

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Q. Which of the following radiations of the sun do greenhouse gases trap?

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Q. What does “airborne fraction” with respect to greenhouse gases indicate?

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Q. Clouds help in cooling down the planet and do not contribute to greenhouse effect.

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Q. What does GWP in the context of greenhouse gases indicate?

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Q. What is the GWP of methane over a time period of 20 years?

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Q. The GWP depends on which of the following factors?

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Q. Which of the following mentioned GHGs has the highest atmospheric lifetime?

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Q. Which of the following gases has the highest radiative efficiency?

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Q. Which of the following compounds have the highest GWP?

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Q. Anthropogenic sources of carbon dioxide are 20 times greater than natural carbon dioxide sources.

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