Question

Name two activity which leads to the formation of sewage

Answer 1

Answer:

Oil spilling and waste dumping is the required answer

Answer 2

The two activities that lead to formation of sewage are:

1) Industrial activities: several industries that cause formations of sewage are agricultural, mining, fishing, nuclear, fuel, plastic, and auto manufacturing.

2) Domestic activities: several activities like bathing, urine, faeces, laundry, cutting of vegetables etc cause sewage to form.