Mexico City's location in a valley combined with its large population contributes MOST to which of these environmental problems? A) smog

B) crime

C) water pollution

D) nuclear contamination

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't

answer; existed; limited;

answer; you are making a normative argument and i am making a positive argument;