Cardiac Arrest is the cessation of the pumping of the heart.
This will resulted in a sudden stop of effective blood circulation and make your body doesn't get enough oxygen supply that could lead to death if not given an immediate treatment
I’m not an expert on the field, but based off of process of elimination and what I do know, I’d say b.
Lose weight the answer is a
A long-distance runner who wants to achieve his personal best time at the next cross country meet should focus on training with aerobic activities to accomplish this goal. <span />