Activity for CommonSensei‭

Type	On...	Excerpt	Status	Date
Answer	—	A: How does water depth affect swimming safety? Why do signs, especially in the UK, say "DANGER: deep water"? Depth affects safety because you can't breathe if the water level is above your nose, when your feet are standing at the bottom. After that point, it doesn't matter much; there is no difference between 2.5 meters and 25 meters. Some people cannot swim very far before they get too tired and need to s... (more)	—	over 7 years ago