Q. The variation in the duration of the day and the night is due to earth's

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Q. The sulphites are a mineral group that contain one or more metallic elements in combination with the sulphate compound ____

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Q. The term 'flora' in the context of natural vegetation refers to

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Q. Which of the following is concerned with the study of characteristics, origin and development of land forms?

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Q. The soils common to the south eastern USA are called

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Q. The southernmost part of the world is

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Q. The texture of a soil refers to

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Q. The steady or initial phase of the magnetic storms is

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Q. The Suez canal connects the

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Q. The uppermost epoch of the Neogene period is

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Q. The type of igneous rock that form from magma is a function of

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Q. The slow down slope movement of soil and sediment because of frost heaving and thawing is called

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Q. The transverse, longitudinal and surface waves in an earthquake originate from

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Q. The smallest country of the world is

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Q. The smallest annual temperature range occurs in the

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Q. The South Frigid Zone is the region

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Q. The temperature needed to keep the earth's surface and the atmosphere in thermal equilibrium is called

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Q. The short term variations of the atmosphere, ranging from minutes to months are called

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Q. The tide produced as a consequence of the moon and the sun pulling the earth in the same direction is called

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Q. The tropical cyclones with maximum sustained surface winds of 33 ms are called

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