Answer:
Southwestern United States, including California, Arizona, Southern Nevada, Texas and New Mexico
The questions is asking to state and choose among the following choices that states the statement about gases that is true, base on my further research and investigation, I would say that the answer would be that <span>Gases have no fixed mass and no fixed volume. I hope you are satisfied with my answer </span>
Primary source would be you doing the research yourself. secondary source would be someone whom you get the studies off of
C because it's a monarchy basically there's only one ruler