When skeletal muscle cells undergo anaerobic respiration, they become fatigued and painful. this is now known to be caused by
a) buildup of pyruvate.
b) buildup of lactate.
c) increase in sodium ions.
d) increase in potassium ions.
e) increase in ethanol.

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming

Match each term to its best definition? sedimentary depositional enviornment

If your client can successfully complete two or more repetitions above the desired repetition range in the last set in two consecutive workouts for any given exercise, the load should be depending on your client's current physical abilities. increased by 1-5% increased by 2-10% increased by 5-15% increased by 10-20% none of these