The proper role of the parent is to provide encouragement, support, and access to activities that enable the child to master key developmental tasks. The parent is their child's first teacher and should remain their best instructor throughout life.
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.
Because it hydrates them quicker I believe
It can make antibodies immediately!!
The answer to this one should be cancer