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>
I think it will change, because over the years they have found different ways to show the atom, and different discoveries. We always have a new chance to discover something new about the atom.
Answer:
B
Explanation:
The biuret solution will turn from blue to purple when it is exposed to protein. The copper sulfate and potassium hydroxide cause the substance to become an alkaline.
Answer:
The plasma membrane is responsible for maintaing B: homeostasis
D. Yellow peas if it does not also have a dominant allele for green peas
