Skeletal muscle fibers are classified as ""fast"" or ""slow"" based upon what factor?

Skeletal muscles fibre are classified base on how the produce energy.

Explanation:

Skeletal muscles fibres consist of bundles of cells that form muscles which contain myobrills.

Skeletal muscles are classified based on how the produce energy;

Type 1 or slow pitch muscle fibres are more efficient and last for a long period of time. They are use for postural maintenance or endurance. It use aerobic respiration to produce energy or ATP.

Type 11 or fast twitch muscle fibres use anaerobic respiration and are for short speed and fatigue more easily than type 1.

cuz he's blad

explanation:

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.