3.Name two activities which lead to the formation of s esewwaaggee

points ❥

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.

Some activities which lead to sewage formation are~

atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of carbon is as shown here in the image.