When individuals with an average form of a trait have the highest fitness, the result is?

Which one of the following statements about muscle is  mostaccurate?   a.  it weighs the same as fat.    b.  its weight in relation to fat depends on a person's fitness level.    c.  it weighs less than fat.    d.  it weighs more than fat

Which of the following choices are the fat soluble vitamin? a) c b) b6 c) d d) calcium

Astairway has 6 steps. is it a handrail required? a. a handrail is required b. a handrail is not required c. double handrails are required d. only nosing is required