Which option is true?

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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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