Why did calendars keep changing? A. They could not predict planetary motions.
B. They could not measure time of day.
C. They did not match the seasons.
D. They did not fit lunar patterns.

The child uses the parent as a base from which to explore her world in which attachment style?

Any study/memorization tips? i have exams in a week and it would be great to try suggestions!you ; )

The north american colonies experienced a steady increase in population since the first settlement in jamestown in 1607. by 1775, the colonies' population was around 2,500,000, and most of the colonists lived east of the allegheny mountains. how did geography influence the settlement of america's first colonies?