Three human activities leading to water pollution
Answers
Answer:
Throwing of garbage in water bodies .
Throwing of industrial waste in water bodies.
Throwing of hospital waste in water bodies.
Answer:
1. Throwing sewage and wastewater into rivers and oceans.
2. Mining activities.
3. Marine dumping.
Explanation:
1. The sewage and wastewater that is produced by each household is chemically treated and released into the sea with fresh water. The sewage water carries harmful bacteria and chemicals that can cause serious health problems.
2. Mining is the process of crushing the rock and extracting coal and other minerals from underground. These elements when extracted in the raw form contains harmful chemicals and can increase the number of toxic elements when mixed up with water which may result in health problems. Mining activities emit a large amount of metal waste and sulphides from the rocks which is harmful to the water.
3. The garbage produced by each household in the form of paper, aluminum, rubber, glass, plastic, food is collected and deposited into the sea in some countries. These items take from 2 weeks to 200 years to decompose. When such items enter the sea, they not only cause water pollution but also harm animals in the sea.