Dangerous conditions influencing sport injuries include all answers which you've mentioned (overuse, overexertion, and incorrect technique). It doesn't, however, include practicing and drills - d.
Practicing and drills is the thing which would help us become more profficient at a certain task and eventually sport through it.
Well, you have two options, either throw up now and not worry about it later (this relieves pain too), otherwise, just drink something and have something to eat. Don't try anything too sugary like one of those Starbucks unicorn drinks (I don't know if they still exist but hey, just a warning!). Try a soda or just plain water. For something to eat, try a corndog or something that you like. Most people like pizza, so try a nice greasy pizza!
Well no-one really know's but my perception of life is all a big lesson for what will be in the afterlife.
False because they could get injured because they aren’t conditioned for it.