The correct answer is A, 2x^3 - x^2 +3x +7
It is known as silicon dioxide or silica!
Hope this helps!
I think the correct answer from the choices listed above is the first option. The statement that best describes the state of metals when they are at room temperature would be that most <span>nonmetals are gaseous, but some are liquid or solid. Hope this answers the question. Have a nice day.</span>
