What would happen if a fresh water fish did not produce lots of watery urine

The answer is that the Water would move out of the fish by osmosis. If a fresh water fish did not produce lots of watery urine means that the content of the fish would be hypotonic to the outside environment, therefore water would move out of the fish through osmosis decreasing the amount of water inside the fish's body.

How does groundwater become polluted?

a.

Pollutants mixed with water pass through permeable layers above the aquifer.

b.

Factories dump their waste directly into aquifers.

c.

Refuse infiltrates the water table when garbage is dumped.

d.

All of the above

its A)Pollutants mixed with water pass through permeable layers above the aquifer.