Sarah needs to replace part of the metal railing on her deck and wants the new railing to match the existing railing. however, she does not know what metal the railing is made from. which is a property that she can use to identify the metal? #1electrical conductivity #2surface area of the railing #3solubility

Ascientist is working with a new kind of quantum dot to make a dye. he is applying newton’s laws to the particle, but it seems to be breaking these laws of physics. which action will most likely the scientist study the particle’s motion? a. he needs to remember that the particle is too large for quantum analysis. b. he must continue to use newtonian mechanics, but he needs to learn more about the particle. c. he needs to use quantum mechanics, not newtonian mechanics, because this is a nanotechnology product. d. he must determine new physical laws that only apply to quantum dots.