mental and emotional health is affected by weight
Weak bases, just like weak acids, dissociate slowly when dissolved with water. An Arrhenius acid is any substance that ionizes when it dissolves in water to give the H+, or hydrogen, ion. An Arrhenius base is any substance that gives the OH-, or hydroxide, ion when it dissolves in water.
I believe the answer is B
Film herself swimming to locate areas she can improve her technique for better performance
I would put down my equipment immediately out of harms way and rush over to that person and spot them. This way nothing bad can happen to that person.