Thermal belts are:
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The term "Biocoenosis" was proposed by
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The best way to check soil erosion is by providing adequate trees and
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_________ is a mixture of 50 - 90% of methane
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The source of atmospheric oxygen is
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Which of the following type of pollution can cause the outbreak of jaundice
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India is primary centre of domestication of
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Which is an example for sedimentary biogeochemical cycle
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Which of the following is not a reason why water warms and cools much more slowly than land?
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The gas that shows the most variation from place to place and from time to time in the lower atmosphere:
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The most abundant greenhouse gas in the earth's atmosphere:
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Frost forms when:
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A narrow valley with steep sides is known as
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The temperature to which air must be cooled in order to become saturated is the:
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The lowest temperature that can be attained by evaporating water into the air is known as the:
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_________ is a source of all minerals.
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_________ energy is the energy stored within the earth.
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The largest brackish water lake situated in Asia is in Orissa. Which is the lake?
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IUCN is also called as
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5th June is observed as
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