Question

7. Which of the following is not a major source of groundwater contaminatia
(a) agricultural products
(b) landfills
(c) underground storage tanks
(d) all of the above are major sources of groundwater contamination​

Answer 1

Answer:

all of the above

Explanation:

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Answer 2

underground storage tank is not a major source of groundwater contamination.

Option C.

Explanation:

• One of the most important source of groundwater contamination is agricultural production stockard agricultural products such as fertilizers and pesticides seep into the groundwater and as a result of this there is significant pollution.

• In addition to this sanitary landfills also cause a large amount of groundwater pollution. However storage tank is not an important factor.

To know more about underground water contamination,

Historical background of underground water contamination - Brainly.in

https://brainly.in/question/5398659