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garik1379 [7]
3 years ago
15

A study in the 1990s found that residents of Mexico City had higher levels of lead and cadmium in their blood than did residents

of any other urban area in the world.
What is the MOST LIKELY explanation for this?
A) diet
B) heredity
C) air pollution
D) water pollution
Social Studies
2 answers:
Ann [662]3 years ago
6 0
Answer would be C) air pollution 
Yuliya22 [10]3 years ago
6 0
This answer would be C. Air Pollution
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