What is the difference between a time line and a calender

Timeline- is a display of a list of events, in chronological order.

Calendar- is a series of pages, showing days, weeks, months in a year.

Thanks,

Deku ❤

just finished this it is b. centrifugal force

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!