a. Gravity exists between the air around the Earth and the Earth. T / F _________________________________________________________ b. During waning phases, more of the Moon's near side is seen each night. T / F ___________________________________________________________ c. The moon(lunar) cycle occurs because of the effect of the sun's gravity on moon. T / F ________________________________________________________________ d. During waning phases, more of the Moon's near side is seen each night. T / F ________________________________________________________________ e. Mass is only conserved during a physical change but not a chemical change. T / F