The inability of the heart to propel blood at a rate and volume sufficient to provide an adequate supply to the tissues is called:

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves