Students study how the temperature of a substance is related to the rate of molecular movement. The molecules in which substances are moving the fastest? Is it cold milk, warm soup, water melting from ice or steam rising from booling wayer

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.