Answer:
In 700s C.E., a very unkind dispute about icons divided the Eastern Orthodox Church, Icons are painting of Jesus, Mary (also known as the mother of Jesus), and the saints or Christian holy people.
Explanation:
It’s either B or A. I forgot the name but it is the one civilization that developed the calendar. I believe it the Maya
Answer: Jet Streams
Explanation: The local weather conditions that we experience at the Earth's surface are related to these air masses and fronts. High in the atmosphere, narrow bands of strong wind, such as the jet streams, steer weather systems and transfer heat and moisture around the globe.