Question

Which of the following could affect the human population?

-A deadly virus emerges that can pass from human to human.
-A hurricane makes landfall on an uninhabited island.
-A nuclear war breaks out between two nations.
-Immigration to the United States from China increases.

Answer 1

A deadly virus emerges that can pass from human to human.

A civil war breaks out in Italy.

Answer 2

A deadly virus emerges that can pass from human to human.
I hope I helped in any sort of way, if not please not me know kindly.
Good luck with your future studies.
Cheers,
Mabel L.