What forces must be overcome for a substance to melt

What reaction shows one element taking the place of another in a compound?

Select all of the things are done to boats, cars, and planes in order to reduce friction. The surface is polished. The body is streamlined. Special rivets are added. They are built with sleek, tapering lines.

Which determines the frequency of a sound wave? A the intensity of the sound waves B the rate at which the sound source is vibrating C the pitch of the sound waves D the wavelength of the sound waves

What is the role of an organism in an community

The bacteria and fungi that break down the plant and animal is classified as?

If the density of Cu is 8.96g/cm cubed, what is the volume of 28kg of Cu?

A piece of iron can change in different ways. How is iron bending different from iron rusting?

Which organism would least likely be selectively bred A) Dandelions B) Nantes Carrots C) Belgian Blue Cattle D) Hypoallergenic Cats

You are given a clear solution of KNO3. Using 3-4 sentences explain how you would determine if the solution is unsaturated, saturated, or supersaturated

Which element combination (s) would result in electrons being shared? [] sodium (Na) and oxygen (O) [] carbon (C) and fluorine (F) [] oxygen (O) and hydrogen (H) [] aluminum (Al) and chlorine (Cl)