Which organism lived on earth during the paleozoic era? a. trilobite b. dinosaur c. pine tree d. octopus

Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.