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Airbag

Read the story and answer the questions to test your comprehension.

Airbags were invented in 1951 and not required on cars until 1989. A frontal crash at speeds as slow as 14 mph is enough to deploy the airbag. When a chip in the engine senses a crash or a vehicle fire, the airbag fills very quickly with nitrogen gas. Airbags inflate in .02 seconds and deflate immediately after impact. They reduce fatalities by about 8%.

  1. 1. How fast do airbags inflate?
    1. a. 1 minute
    2. b. .02 seconds
    3. c. 1 second
  2. 2. When were airbags required on cars?
    1. a. 1990
    2. b. 1970
    3. c. 1989
  3. 3. When were airbags invented?
    1. a. 1951
    2. b. 1950
    3. c. 1955