A measure of the number of particles of a substance in a given volume would be concentration. <span>In chemistry, </span>concentration<span> is the abundance of a constituent divided by the total volume of a mixture. There are a number of ways expressing it such as molarity, molality, normality, ppm, percentage and the like.</span>
The Answer is Quick energy.
DNA! the question is a typical descrption of it
It can be called<span> a draw, a wash or a gulch</span>
Answer:
I think that the answer would be D
