MCQ
Malaria is transmitted by ________.
- AContaminated food
- BContaminated water
- CMosquito bite
- DAll of the above
Explanation:
The disease is transmitted by the biting of mosquitos, and the symptoms usually begin ten to fifteen days after being bitten. If not appropriately treated, people may have recurrences of the disease months later.
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$R$ : All biotic and abiotic factors are managed by humans in these ecosystems.

