water pollution
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1. How does water pollution affect human health?
Increased risk of diseases transmitted by contaminated water.
Improving the quality of water for human consumption.
There is no impact on human health.
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2. What are the effects of water pollution on the environment?
Reduction in aquatic biodiversity and eutrophication (process of pollution of water bodies, such as rivers and lakes, which end up taking on a cloudy color, resulting in very low levels of dissolved oxygen in the water)
Increased fishing and food production.
Improvement in the quality of drinking water.
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3. What are the main water pollutants?
Fertilizers and pesticides.
Heavy metals such as lead and mercury.
All pollutants have the same impact.
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4. What are the main sources of water pollution?
Industrial effluents and agricultural.
Acid rain.
Inadequate disposal of solid waste.
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What is water pollution?
b) The presence of undesirable substances in the water, causing damage to the aquatic ecosystem.
The intentional addition of chemicals to improve water quality.
Purifying water to make it drinkable.
