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Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by
- a)natural aeration of water stream.
- b)photosynthetic action of algae.
- c)both (a) & (b).
- d)neither (a) nor (b).
Correct answer is option 'C'. Can you explain this answer?
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Replenishment of dissolved oxygen in water stream polluted with indust...
Natural Aeration of Water Stream:
- When water flows over rocks and waterfalls, it comes into contact with the air, allowing for oxygen to be naturally dissolved into the water.
- This process helps to replenish the oxygen levels in the water stream, especially in areas where there is little to no pollution.
Photosynthetic Action of Algae:
- Algae are photosynthetic organisms that use sunlight to produce oxygen through the process of photosynthesis.
- When algae are present in a water stream, they can contribute to the replenishment of dissolved oxygen through their photosynthetic action.
Both (a) & (b):
- Combining the natural aeration of the water stream with the photosynthetic action of algae can greatly help in replenishing dissolved oxygen levels in a polluted water stream.
- These processes work together to improve the overall water quality and support aquatic life in the ecosystem.
By understanding the importance of natural aeration and the role of algae in photosynthesis, we can appreciate how these processes can help in replenishing dissolved oxygen levels in water streams polluted with industrial waste. It is essential to protect and preserve these natural mechanisms to maintain a healthy aquatic environment.
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Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs bya)natural aeration of water stream.b)photosynthetic action of algae.c)both (a) & (b).d)neither (a) nor (b).Correct answer is option 'C'. Can you explain this answer?
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