what is the importance of oxygen in atmosphere
reshma916:
without oxygen no one can survive
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Without oxygen, O2, there is no animal life that requires oxygen.
In order for life to survive on earth oxygen is needed for those which aerobically respire. It is used in respiration which is converting sugar (glucose) C6H12O6 using oxygen, O2 into carbon dioxide, CO2 and water H2O this reaction gives energy needed for cells to operate. Since plants require H2O, CO2, and sunlight for photosynthesis, they would survive and eventually make oxygen as a by-product of photosynthesis.
In order for life to survive on earth oxygen is needed for those which aerobically respire. It is used in respiration which is converting sugar (glucose) C6H12O6 using oxygen, O2 into carbon dioxide, CO2 and water H2O this reaction gives energy needed for cells to operate. Since plants require H2O, CO2, and sunlight for photosynthesis, they would survive and eventually make oxygen as a by-product of photosynthesis.
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The atmosphere protects living things from the Sun's most harmful rays. Gases reflect or absorb the strongest rays of sunlight (Figure below). The atmosphere shields Earth from the most harmful solar rays.
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