The answer is B. A does not make sense because Jessica should encourage her friend not discourage her. C is also incorrect because when you often scold at someone about something they will probably do the exact opposite of what your telling them to do.
I would say endurance.Sorry if wrong
Explain the role of Calcium(Ca+) in askeletal muscle contraction. Role of calcium { Ca++}: By BONDING to the TROPONIN it causes the TROPOMYOSIN to MOVE from its blocking position on the active sites on the actin filaments SO the CROSS BRIDGES CAN ATTACH.
You can lose up to <span>.125 per minute if you are exercising </span>