Question

Matching.

Answer 1

Answer:

The answer is: 1.- hydrological cycle, 2.- industry, 3.- sewage, 4.- agriculture, 5.- eutrophication, 6.- putrefaction, 7.- pesticides, 8.- petroleum, 9.- lead.

Explanation:

1. the continuous movement of water between the Earth's surface and the atmosphere - hydrological cycle.

2. pollutes water sources by dumping wastes in rivers, streams, and oceans - industry.

3. the leading cause of water contamination in countries without water treatment plants - sewage.

4. a source of water pollution caused by the overuse of pesticides and fertilizers - agriculture.

5. caused by an overabundance of organic matter in water supplies - eutrophication.

6. the decomposition of organic matter by microorganisms - putrefaction.

7. a chemical pollutant that can enter the water cycle through agricultural or domestic use - pesticides.

8. can cause the contamination of underground water supplies if poured on the ground - petroleum.

9. a metal that leaks into water supplies via the soil or aging water systems - lead.

The answer is: 1.- hydrological cycle, 2.- industry, 3.- sewage, 4.- agriculture, 5.- eutrophication, 6.- putrefaction, 7.- pesticides, 8.- petroleum, 9.- lead.

Answer 2

1. The answer is hydrological cycle or water cycle2. The answer is sewage. Often, waste often goes down from the industrial site.3. the answer for this one is an industry.  In most cases, many companies would often let their industrial waste flow freely to rivers 4.The answer is agriculture. Agriculture can cause water pollution due to usage of chemical fertilizers5.The answer is Eutrophication6.The answer is putrefecation7.The answer is pesticide8.The answer for this one is petroleum. Petroleum and oil spills are often the cause of contamination that not just pollutes oceans and rivers.9.The answer for this one is lead.