IDNStudy.com, ang iyong mapagkukunan ng eksaktong at maaasahang mga sagot. Magtanong at makakuha ng detalyadong sagot mula sa aming komunidad ng mga eksperto.
Answer:
As Earth revolves around the Sun, it rotates on its axis. Sometimes Earth tilts toward the Sun, which is when summer occurs. In the winter, Earth tilts away from the Sun. In North America, around June 21, Earth tilts on its axis toward the Sun.