# 2ปรนัยWhat causes the four seasons on Earth?The distance of Earth from the SunThe rotation of EarthThe axial tilt of Earth and its revolution around the SunThe gravitational pull of the Moon
# 3ปรนัยWhen it is summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?SummerSpringWinterFall
# 4ปรนัยIf Earth's axis were not tilted, what would happen?There would be no seasonsThere would be extreme seasonsThe length of days would not changeThe Earth would stop rotating