Time left 1 Magsaysay awardee Sh. Rajender Shingh is known for his______ forest conservation efforts water conservation efforts wild life conservation efforts child labour 2 This study helps in understanding the biotic components of the ecosystem civil engineering physics statistics life sciences 3 71% of the earth's surface is covered by____ mountains forests grasslands water 4 Lithosphere constitutes this component____ water grass forests rocks 5 The topmost layer of the earth is called____ atmosphere hydrosphere lithosphere biosphere 6 Oxygen, carbon dioxide, nitrogen are components of_____ hydrosphere atmosphere lithosphere biosphere 7 Relationship of environmental sciences with earth sciences is studied in_____ environmental chemistry environmental physics environmental geology nano technology 8 Biosphere contains _____ species of plants. 2,00,000 3,00,000 5,50,000 3,50,000
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