<span>C) The emissions of the internal combustion engine which runs on oil/gas has added to air pollution such as smog. </span>
Answer: b
Explanation:
if thats wrong then its c, hope this helped
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Backup of sewage in the preparation area or a serious pest infestation are hazards or contaminants that are grounds for immediate closure of an operation. A sewer drain backup may be among the most unpleasant experiences one can get as a house owner.
