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Suppose you're assigned a task of making a ppt.(power point presentation) on the topic ‘Oxygen cycle and ozone layer’ What are the objectives on which you will complete the ppt. in 10 slides? Given some points for the ppt. making.Please help don't spam . . . . |
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Answer» The ozone layer or ozone shield is a REGION of Earth's stratosphere that absorbs most of the Sun's ultraviolet RADIATION. ... The ozone layer contains less than 10 parts per million of ozone, while the average ozone concentration in Earth's atmosphere as a whole is about 0.3 parts . Stage-1: All green plants during the process of photosynthesis, release oxygen back into the atmosphere as a by-product. Stage-2: All aerobic organisms use FREE oxygen for respiration. Stage-3: Animals exhale Carbon dioxide back into the atmosphere which is again USED by the plants during photosynthesis. |
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