A constituent of the exhaust gases of motor vehicles which causes serious air pollution is
Source: JAMB · 2024
A constituent of the exhaust gases of motor vehicles which causes serious air pollution is
Explanation
Car engines burn fuel. When burning is incomplete, they release carbon monoxide, a poisonous gas. It joins with haemoglobin in blood and stops it carrying oxygen.
Water vapour and oxygen are harmless. Carbon dioxide is a greenhouse gas but is not the toxic pollutant the question points to.
Was this explanation helpful?
Something wrong or missing? Tell us — we read every report and fix issues fast.