Which of the following describes how cooling systems transfer thermal energy?
a. Thermal energy naturally flows from cooler
areas to warmer areas.
b. Thermal energy naturally flows from warmer
areas to cooler areas.
c. Work is done to transfer thermal energy from
warmer areas to cooler areas.
d. Work is done to transfer thermal energy from
cooler areas to warmer areas.

1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system