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지구 행성의 물(중3)

지구 상의 물과 우리나라의 수자원

QuestionAnswer
지구 표면은 몇 %가 물로 덮여 있을까? 70%
지구 상의 물을 100%라고 했을 때 70%에 해당하는 것은? 바다
육지 물 분포의 79.2%를 차지하는 것은? 빙하
육지 물 분포의 20.7%를 차지하는 것은? 지하수
대기 중에 분포하며 기상 현상의 원인이 되는 것은? 수증기
우리나라가 물 부족국가로 분류되는 이유는 무엇인가? 인구밀도가 높아 1인당 물수자원량은 세계의 1/8수준이다. 강수의 대부분이 여름에 집중된다. 강의 길이가 짧고 경사가 급하여 물이 육지에 머무는 시간이 짧다.
수자원 총량을 100%라고 할 때 실제 이용 가능한 비율은 얼마인가? 27%
우리나라에서 가장 많이 사용하는 물의 용도는? 농업 용수
우리나라에서 수질 오염의 가장 많은 비줄을 차지 하는 원인은? 생활 하수
Created by: 100001493214310
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