Which of the following is the best example of a way human lifestyles affect environmental systems?
a) using aerosol sprays causes acid rain by increasing ozone (o3) in the atmosphere.
b)agriculture causes water pollution when fertilizers and pesticides flow into lakes and rivers.
c) burning fossil fuels causes air pollution by decreasing water vapor in the atmosphere.
d)using radioactive materials causes ground pollution when chlorofluorocarbons (cfcs) seep into the ground