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REVISION WORK
BASE D ON THE FOLLOWING CHAPTERS:
1. COMPONENTS OF ENVIRONMENT
2. EARTH AND THE CHANGES ON IT
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QUIZ-COMPETITION
WHY IS THE EARTH ALSO CALLED THE ‘BLUE PLANET’?
NAME THE FOUR MAJOR ELEMENTS OF THE ENVIRONMENT.
WHAT IS ‘BIODIVERSITY’?
EXPLAIN TWO WAYS IN WHICH HUMAN ARE DISTURBING THE NATURAL ENVIORMENT.
WHAT DO YOU MEAN BY SIMA AND SIAL?
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QUIZ-COMPETITION
WHAT IS WEATHERING?
WHAT IS HUMUS?
WHAT ARE THE MAJOR SOIL TYPES FOUND IN INDIA ?
WHAT IS RESIDUAL SOIL ?
WHAT DO YOU MEAN BY DENUDATION ?
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HOME WORK
PREPARE FOR REVISION TEST OF THE FOLLOWING CHAPTERS :
GEOGRAPHY- 1 AND 2 (10-09-12)
HISTORY- 9 AND 10 (11-09-12)
CIVICS- 18 AND 19 (12-09-12)