According to the microwave background radiation Earth is Group of answer choices in a part of the universe that is just like any other part. moving at about 380 km/s toward Leo. near the location of the Big Bang. at the center of the universe. in no special location in the universe.

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system