Describe the three main concepts that make up cell theory

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.

Which statement describes the arrhenius interpretation of acids and bases?

Which of the following subject areas contains questions that can be answered by science? alchemy ethics forensics politics