What is the greatest contributor to air pollution in the United States?
factories automobiles power plants burning waste
A B C D
Question: What is the greatest contributor to air pollution in the United States?
A. factories
B. automobiles
C. power plants
D. burning waste
Answer:
What is the greatest contributor to air pollution in the United States?
power plants burning waste factories automobiles
A B C D
Question: What is the greatest contributor to air pollution in the United States?
A. power plants
B. burning waste
C. factories
D. automobiles
Answer:
D
What is the greatest contributor to air pollution in the United States?
factories automobiles power plants burning waste
1 2 3 4
Question: What is the greatest contributor to air pollution in the United States?
1. factories
2. automobiles
3. power plants
4. burning waste
Answer:
2
What is the greatest contributor to air pollution in the United States?
factories automobiles power plants burning waste
N G L O
Question: What is the greatest contributor to air pollution in the United States?
N. factories
G. automobiles
L. power plants
O. burning waste
Answer:
G
What is the greatest contributor to air pollution in the United States?
power plants burning waste factories automobiles
N G L O
Question: What is the greatest contributor to air pollution in the United States?
N. power plants
G. burning waste
L. factories
O. automobiles
Answer:
O