Answer:
It is a simplified view of the earth's rotation because the tilt of the earth's axis with respect to the plane of the earth's orbit means that sometimes sunrise occurs slightly earlier or later along the same longitude.
Answer:
Explanation:
Americans are more racially and ethnically diverse than in the past, and the U.S. is projected to be even more diverse in the coming decades.
Women’s role in the labor force and leadership positions has grown dramatically.
The world is aging. The demographic future for the U.S. and the world looks very different than the recent past. Growth from 1950 to 2010 was rapid — the global population nearly tripled, and the U.S. population doubled.
Christians are declining as a share of the U.S. population, and the number of U.S. adults who do not identify with any organized religion has grown.
The share of Americans who live in middle class households is shrinking
The American family is changing. After decades of declining marriage rates, the share of American adults who have never been married is at an historic high.
