If you were able to survive in a vacuum, you would not be able to hear sound even if it was made right next to you. Why is that, remember a sound wave is a mechanical wave.

Which of the following countries was a member of the Central Powers? Germany Belgium Italy

Joseph Stalin developed "five-year plans" to direct health care. the military. industrialization. agriculture.

On the Night of Broken Glass in Germany, which of the following occurred? A) Thousands of Jews were arrested. B) Trains began taking Jews to concentration camps. D) Nazis began building the first Jewish ghettos.

What was the impact of the sense of group identity created by the Harlem Renaissance? a. It ended discrimination against blacks in America. b. It formed a basis for later progress for blacks in America. c.

Cornwallis was defeated at Yorktown because: his troops were wounded and sick French and American ships kept relief forces from arriving Greene had followed him from North Carolina his position near Chesapeake Bay was hard to defend

Describe the economic systems of the north and the south with regard to both agriculture and manufacturing

Why is there ongoing conflict between Israel and the Arab-Muslim world?

How did the emperors of the Han Dynasty encourage and protect Chinese culture? A. They mandated daily religious rituals. B. They revived Chinese literature and poetry. C. They taught the art of silk making to foreigners. D.

Aztecs believed that they were living in this world, which was fated to inevitable destruction just like the previous worlds that existed

What is the Ethnologue?