Author Question: The chief source of Los Angeles air pollution is A) automobile exhaust. B) coal-burning ... (Read 72 times)

CQXA · **on:** Jul 14, 2018

The chief source of Los Angeles air pollution is

A) automobile exhaust.
B) coal-burning electricity plants.
C) industrial pollutants.
D) fog from the ocean.

Question 2

The most important source of carbon monoxide emissions in the United States is

A) natural emissions.
B) automobile engines.
C) coal-fired energy plants.
D) industrial processes.