water pollution
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1. How does water pollution affect human health?
Improving the quality of water for human consumption.
There is no impact on human health.
Increased risk of diseases transmitted by contaminated water.
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2. What are the effects of water pollution on the environment?
Improvement in the quality of drinking water.
Increased fishing and food production.
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)
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3. What are the main water pollutants?
All pollutants have the same impact.
Heavy metals such as lead and mercury.
Fertilizers and pesticides.
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4. What are the main sources of water pollution?
Acid rain.
Industrial effluents and agricultural.
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.
