Well one would be constipation, when you are constipated you tend to get lower and upper back pain. Your liver and or kindness can cause back pain, a strained muscle or popped out disk can cause back pain. Alot of things can..
Gimnástica would be a skill in order to dunk
You forgot to post the options.
Whats the question here? if you are wondering a true or false just ask your teacher for the answer