What are two reasons that someone would want to become a scientist?
1 point
Your answer

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

An observation that requires measurement is called quantitative observable or qualitative

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.