Which of the following substitutions can help reduce air pollution?
A) using a bike instead of a car
B) using dumps instead of landfills
C) using coal instead of oil
D) using fireplaces instead of a wind farms
Which of the following substitutions can help reduce air pollution?
A) using a bike instead of a car
B) using dumps instead of landfills
C) using coal instead of oil
D) using fireplaces instead of a wind farms