Reducing Environmental Impacts Practice Test

Fertilizer from a farm washes into a river after storms near Emma’s town. Algae grows too much, blocks sunlight, underwater plants die, and fish numbers drop because oxygen gets low. The town lists solutions: A) Plant buffer strips of native plants to soak up fertilizer. B) Use less fertilizer so less can wash away. C) Remove algae by hand, but it grows back fast. D) Do A and B together to stop runoff at the source. Which solution would help the fish population recover?

A forest was cut down for a farm; many birds left because nesting places were gone. To reduce impacts on organisms, the best solution is