Air pollution is caused by ______?

Review the verified answer and explanation for this SPSC – Sindh Public Service Commission past-paper question on CampusFin.

Air pollution is caused by ______? Answer: Hydrocarbons

Hydrocarbons from vehicle exhaust and industrial emissions react in the atmosphere, forming smog and other pollutants, thus contributing to air pollution.

Question context

This question is part of 🌍 Current Affairs within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.