Which situation is an example of nonnative species introduction?

1.a huge volcanic eruption in washington destroyed many habitats.

2.a large oil spill in the gulf of mexico killed many organisms that lived there.

3.horseshoe crabs in the waters of virginia have been overfished, and their numbers have declined.

4.water hyacinths from asia now grow in the united states and are crowding out animals and other plants.

4. Water hyacinths from Asia now grow in the United States and are crowding out animals and other plants.

Nonnative species can sometimes be introduced in an area that is not their natural habitat. This can cause disruptions in the ecosystem. In this case, the water hyacinths from Asia were introduced to the United States. Now, they have caused disruptions in the ecosystem, resulting in the crowding out of animals and other plants.

answer; expert witness;