What is the one solution to the problem of air pollution?
A. To burn hundreds of gallons of fuel each year
B. To build a car that does not pollute
C. To increase the production of cars
D. To provide transportation in all the places
Answer:B
What is the one solution to the problem of air pollution?
A. To burn hundreds of gallons of fuel each year B. To build a car that does not pollute C. To increase the production of cars D. To provide transportation in all the places