1) ............................ are called the earth’s atmosphere, hydrosphere and lithosphere, a) Air, water and land b) earth c) geo d) only water e) natural resources. f) biosphere 2) the lithosphere,hydrosphere and atmosphere which they occupy are together called the .......... a) natural resources. b) Air, water and land c) biosphere d) the earth e) science f) Environment 3) ................ is the layer of air that surrounds the earth a) The atmosphere b) Environment c) biosphere d) Air, water and land e) natural resources. f) science

6th science

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