How is a compound different from a mixture answer. com?

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

In 2002, the rare earth elements mine in mountain pass, california was closed because