Which of these was the LEAST contributor to the smoke that caused the smog? A) car exhaust B) subway trains C) home chimneys D) factory smokestacks

asked Mar 21, 2021 20.1k views

1 vote

Which of these was the LEAST contributor to the smoke that caused the smog?

A) car exhaust
B) subway trains
C) home chimneys
D) factory smokestacks

by IUser

7.8k points

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4 votes

Answer:

factory smokestacks.

Step-by-step explanation:

SDF answered Mar 27, 2021

by SDF

6.2k points

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