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1 vote
Mexico City's most pressing environmental issue is

A) mountain erosion.
B) dangerous air pollution.
Eliminate
C) erosion along the coastline.
D) cutting down of the rainforest.

User Shigeya
by
5.7k points

2 Answers

2 votes
I would go with B) dangerous air pollution.
User Greg Alexander
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5.4k points
3 votes
B) dangerous air pollution. 
User Nick Woodhams
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5.7k points