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प्रश्न
Is there a pond or river around your house or school? Go and look around and observe these things:
Where else have you seen algae?
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उत्तर
I have seen algae near hand pumps and on damp walls.
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संबंधित प्रश्न
Do you know anyone who has had malaria?
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| Pot | |
| Cooler | |
| Tank | |
| Any open space in the school ground | |
| Gutter | |
| Any other place |
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