What is the role of the ozone? A. it protects earth's surface from dangerous radiations B. it reflects the sun's energy. C. it is the source of rain clouds D. it retains heat energy given up by water

Explain the biggest reason europeans were able to extend control over africa and the world

How did the United States acquire the middle 1/3 of our country in the early 19th Century?

What was the cause of the apartheid movement in South Africa? Nonwhite South Africans felt superior to white Afrikaners. White Afrikaners opposed the blacks-only parliament. A military coup overthrew the South African government.

The U. S supreme court reviewed the decision of the Florida supreme court because ...

Explain how volunteers were able to impact the outcome of the 2008 Presidential election.

Explain how corn influenced the size and sophistication of the native american civilizations in mexico and south america

Why did African Americans and Mexican Americans have an especially difficult time during the Great Depression

Por qué se considera a Alejandro Magno como un personaje histórico tan importante

Which of the following is a correct characteristic of New France?

Witch inventor devolved a safe elevator? A. Thomas Edison B. Elisha Otis C. Nikola Tesla D. Alexander Graham Bell