Which of the following statements best characterizes the risk of ground-level ozone and air pollution?
a.
it contaminates the food supply.
b.
it contaminates the water supply.
c.
it is very harmful to human health.
d.
it disrupts the food chain in lakes.

C is the correct answer because ultimately air pollution has to do with breathing and the lungs. It is also harmful to animals though and how much pollution they breathe in. 

You not be doing this in a quiz. if you actually studied your work you would know the answer. the answer though is that they would use gdp per capita because it measures a smaller portion (person). this could show individual growth per person in the country.

The correct answer is kettles.