A 125 mL solution of HBr has a concentration of .200M. How much water should be added to the solution to make a diluted solution of HBr having a concentration of 0.0909M.

a:

by the combination of an unlimited number of elements

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.

d

explanation:

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.