Well, an increased risk would be shallow water. Ideally, you want to dive into water that's at least 5 feet deep so the risk of hitting your head isn't as great. Another could also be instead of diving straight down, dive at an angle so again, the risk of hitting your head and compressing your spine isn't as great.
If I’m not mistaking c will be the answer
I believe that it is They are more likely to be suicidal and use alcohol and drugs
The answer is A which is do not try smoking in the first place