Conservation of Resources and Pollution — BIOLOGY STD 8 — Question
ICSE BoardEnglish MediumSTD 8BIOLOGYConservation of Resources and Pollution1 Mark
Question
Oxygen in the air is a renewable natural resource. Explain why ?
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Answer
All living beings need oxygen to survive. We all respire oxygen and give out carbon dioxide. The plants take in this carbon dioxide and release oxygen during photosynthesis. So oxygen is replenished in nature by the plants. Therefore oxygen is a renewable resources as it is used and produced at the same time. We should plant more trees for the continuous supply of oxygen.
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