Which of the following is not one of the reasons swimming nearly vanished from society for hundreds of years?

Me with this i need to get the answer quickly.

List three reasons people may begin using tobacco

Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease