Question

A river with an inflow of domestic sewage rich in organic waste may result in:

Options

• An increased production of fish due to biodegradable nutrients.

• Death of fish due to lack of oxygen.

• Drying of the river very soon due to algal bloom.

• Increased population of aquatic food web organisms.

Answer 1

A river with an inflow of domestic sewage rich in organic waste may result in: Death of fish due to lack of oxygen.