The moon's average density is about the same as the density of which of the Earth's layers?

a. inner

c. outer

b. atmospheric

d. none of the above

Use your knowledge of plate tectonics to explain why the supercontinent of Pangaea could have existed long ago. How did Pangaea break apart, and how were our continents formed? Explain your reasons in at least two to three sentences.

Which of the following statements about the migration of workers to other countries is false?

Igneous rocks are formed from eroded land. a. True b. False

Do constructive waves have a strong swash and a weak backwash?

What happens to volcanoes as they move away from magma source (plume) ?

Which of the following is a belief of Judaism? A. Salvation comes only to those who practice rituals. B. A prophet wrote the direct words of God into a sacred text. C. The Gospels were written by the disciples of a savior. D.

The planetarium is not crowded on Wednesdays, so we should visit it then. Is this sentence an appropriate opening sentence for the purpose of the argument?

What three livestock were sent from the Americans to Europe

Greenhouse effect compare and contrast with global warming

Who lives in Antarctica? A) A large native population B) A large number of South American immigrants C) A small group of researchers D) A small number of natives