I would go with all of the above
C. you dont want to risk you or your friends life just to test water currents. despite them not looking so, they can be really dangerous quickly pull you under water or away from shore. hope that helps
Answer: drink lots of water, eat a good breakfast and sleep well the night before
Explanation:
B . It is completely normal . However if you are experiencing extreme pain stop and consult your doctor . Also if you are prone to any kind heart disease let someone know where you are when exercising or better yet let them be at your side at all times .