Question

working with evidence
if you stop the farmland runoff, and stock garinder pond with fish, you predict that...
the fish will still die from lack of oxygen.
the fish population soars due to food abundance.
the fish will slowly begin to heal the ecosystem.
the fish would struggle at first, but eventually thrive.

Explanation:

Farmland runoff can introduce pollutants and excessive nutrients. Stopping it and stocking the pond with fish can improve water - quality and provide a better environment for fish. The fish can help in controlling aquatic plants and insects, contributing to a healthier ecosystem.

Answer:

The fish will slowly begin to heal the ecosystem.