Clean air is of concern to most americans. the environmental protection agency (epa) has set forth guidelines for business, industry, and private citizens to follow to improve air quality. all but one is a guideline of the epa to improve air quality. that is

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the

The correct answer is c

idk but if i had to take an educated guess i’d say a c d