## Example Questions

Dogs

Air

Fleas

Humans

Mosquitos

Mosquitos

Explanation:

Malaria is spread by mosquitos that contain the malaria virus in their saliva. In 2013, there were an estimated 198 million cases of malaria, resulting in over 500,000 deaths (mostly children in the African region).

In the U.S., how much solid waste does each person (on average) produce daily?

8 pounds

12 pounds

10 pounds

1 pound

4 pounds

4 pounds

Explanation:

The average person in the U.S. will produce about 4 pounds of solid waste per day.