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Review of the options:
- Air pollution from traffic can cause allergies.
– Correct, “Health effects of vehicle emissions […] increased risk of allergies”. (Swedish Transport Administration)
- Carbon dioxide is responsible for 40% of all new cases of cancer.
– Wrong, the carbon dioxide gas itself does not cause cancer.
- Air pollution from traffic does not cause cancer.
– Wrong, hydrocarbons may cause cancer.
- There are no benefits to the use of cars.
– Wrong, consider everyone who is dependent on taking their car to work (those living outside the cities). A week without cars would be a complete disaster for the world economy.
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