Which electromagnetic waves are invisible and have the longest wavelengths, ranging from a few inches to longer than a football field?

How did the new weapons developed affect World War I?

Who is Tycho Brahe?

Why do people study history? Choose all answers that are correct. A. It leads to general agreement on religious questions. B. It creates a new and better political system. C. It tells true stories of heroes and villains and adventures. D.

Which description of the second Great Awakening is correct? A. a period of artistic achievement in the late 1800s B. a fascination with Native American cultures in the late 1800s C. a movement to reform education in the early 1800s D.

What do you learn about Alexander from his decision to crucify 2,000 men

Which is a strength of Andrew Johnson as president? A.) Early on he had support of both the Democrats and Republicans B.) He was born in the South C.) He was a supporter of the States' Rights D.) He was patient and willing to compromise with others

What does President Wilson accuse his critics of "creating a false impression" about?

An underlying cause of World War I was a. the ongoing dispute over the convoy system. b. the web of alliances European nations created for their defense. c. an alliance between the autocratic rulers of Germany and Russia. d.

In 2001, the number of federal hazardous waste sites in California was 3 less than twice the number of sites in Washington. How many hazardous waste sites were there in Washington if there were 21 such sites in California?

What was the official religion of the tang dynasty