What is a "set" in weight training?

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

Don recorded his food intake for a week and then used a computerized dietary analysis program to analyze his diet. according to the results of the analysis, his average daily saturated fat intake was 5% of total calories and his average daily unsaturated fat intake was 12% of total calories. based on this information, his total fat intake is the acceptable macronutrient distribution range.

The purity of ecstasy is always in question, why? (short answer)