Question

1.2.3 Quiz: The Geography of the United States

Question 2 of 5
How does poor air quality affect humans in the United States?
A. Many people have lost homes, farms, and businesses.
B. People experience burning and swelling symptoms.
C. Some people develop allergies or breathing problems.
D. Smog leads to soil erosion and less productive farmland!

Answer 1

I believe it is c. But it could really be all of them.

Step-by-step explanation: