There is no sound in the vacuum of space. Why?

Sound must travel through something that vibrates.

There is no energy in space.

There is no air to vibrate a human eardrum.

remeber you can pick more then one

How did life change for people in China from 2000 bc to 222 bc

Why did the feudal system develop? A. The lords needed to protect their land from other nobles. B. The kings had little power left. C. Viking raiders and armed bandits threatened everyone. D. All of the above

The American Revolution, the French Revolution, and the Industrial Revolution all led to the atmosphere that encouraged Romanticism. true or false

Why did southerners feel the federal government was not protecting their interests?

A historian writes a book in Wich she organizes the history of Europe into the following categories:the middle

What event comes after the law of April 6 1830 and before the Texas revolution?

Where did most of the immigrants work? factories schools stores churches

How many main parts are contained in the temple complex at Karnak in Egypt.

If the side of a squere is 12 cm find area

Explain three examples of similarities between the American and Latin American revolutions and three total examples differences.