Final answer:
Excessive nitrates can cause blue baby syndrome due to nitrites affecting oxygen transport in blood. Proper waste management and natural buffers are effective prevention methods for water pollution.
Explanation:
Nitrates, such as MeNO3, in large quantities from sources of drinking water can have negative impacts. For example, excessive nitrates in water can lead to the development of blue baby syndrome, where nitrites hinder oxygen transport in the blood. To prevent water pollution, effective methods include implementing proper waste management to reduce runoff containing nitrates and promoting the use of natural buffers in agricultural areas to absorb excess nitrates.
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