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drought – n. a long period of time during which there is very little or no rain
replenish – v. to make full or complete once more
access – n. the right or ability to approach, enter, or use
glacier – n. a large body of ice moving slowly down a slope or valley or spreading outward on a land surface
atmosphere – n. the whole mass of air that surrounds the Earth : the gas surrounding a heavenly body (as a planet)
