In what way do motor vehicles harm the environment?
- A By increasing radon levels.
- B By decreasing radon levels.
- C By decreasing carbon monoxide levels.
- D By increasing carbon monoxide levels.
Show answer & explanation
Correct answer: By increasing carbon monoxide levels..
Carbon monoxide is a poisonous gas emitted by vehicle exhausts into the atmosphere. Driving economically and keeping a vehicle well maintained can reduce the level of carbon monoxide emissions.
Carbon monoxide is a poisonous gas emitted by vehicle exhausts into the atmosphere. Driving economically and keeping a vehicle well maintained can reduce the level of carbon monoxide emissions.