The correct answer here is B - the risk of musculoskeletal injury
increases with the total amount of physical activity. Whilst the other
forms of injury here do all relate to parts of the body involved in
physical activity, it is unlikely that these injuries would occur as a
direct result of exercise or strenuous physical activities if the
individual in quesiton was healthy to begin with.
Hydrogen and then its helium
Explanation:
These brain chemicals, including adrenaline, dopamine and cortisol, stimulate a natural high and give you a boost of energy that makes you feel more alert, alive and able to scream your lungs out