chronological
chronological chronological
  • 15-12-2016
  • Chemistry
contestada

Tooth fillings are often made of gold or porcelain because these materials are ______.
a.
explosive
c.
visually pleasing
b.
nonreactive
d.
chemically similar to teeth


Please select the best answer from the choices provided

Respuesta :

Аноним Аноним
  • 15-12-2016
They are non-reactive because they can't rust. When iron is in oxygen it rust, gold is not like that.

I think I'm correct
Answer Link

Otras preguntas

whats the factors of 9x^2+3x-2
How do industry or external changes impact the things that you do personally?
How are Central America, Philippines, and Hawaii symbolic of US Imperialism?
American Indian resistance in the Ohio River Valley ended with
describe the spheres of influence in relation to China in the early 1900s???
Approximately what part of the American flag is blue
when the suffix -ous is added to the word envy it becomes
You've just solved a problem and the answer is the mass of an electron, me=9.11×10−31kilograms. How would you enter this number into the answer box?
what issue divided the first congress as the nation launched the new government?
in what ways do you think members of congress might support and defend the us constitution