True. Smog is fog combined with other pollutants like smoke than can be from automobiles or cars.
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A cold front is the transition zone where a cold air mass is replacing a warmer one, (They move more slowly than warm front's.) Others are Characteristics of cold front's and they move faster than warm.
Hope this helps<3
Answer:
Wegener
Explanation:
Seems like an officer in the military i think.
