Rewrite this sentence dna was already thought to be important in the transference of hereditary information from cell to cell, but watson and crick’s structure showed how this worked on a molecular level, indicating the way genes, cells and ultimately all life forms reproduce.

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.