THE main cause of water pollution are fertilizers and nutrient pollution<span>. Some of the pollutants that are most prevalent in the manure, sewage and chemical fertilizers are Nitrates and phosphates. These pollutants run into the streams and rivers causing excessive growth in aquatic plants and algae leading to clogged waterways and dead zones.
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Diseases that vaccines prevent can be dangerous, or even deadly. Vaccines greatly reduce the risk of infection by working with the body's natural defenses to safely develop immunity to disease.
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