SSC
WORLD GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What does the expression “This year’s rain is last year’s snow” refer to?
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Rain in the spring can sometimes freeze due to unseasonable temperatures.
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Snow consists of water in the frozen state and this water becomes rain when subjected to higher temperatures.
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The amount of water on Earth does not change and is cycled in an unending process despite its changing physical state
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The amount of rain and snow changes due to the changing amount of water that cycles through Earth’s atmosphere.
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Explanation:
Detailed explanation-1: -The overall amount of water on our planet has remained the same for two billion years.
Detailed explanation-2: -The water cycle, also known as the hydrologic cycle, describes where water is stored on Earth and how it moves. Water is stored in the atmosphere, on the land surface, and below the ground. It can be a liquid, a solid, or a gas. Liquid water can be fresh or saline (salty).
Detailed explanation-3: -The amount of water on the Earth is constant, or nearly so. Actually, the amount is increasing ever so slightly due to volcanic eruptions expelling water vapor into the atmosphere, but, for all practical purposes, the amount of water (as a gas, liquid and as snow and ice) can be considered to be constant.
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