Which of the following is used as evidence that the universe began with the big bang?

A.

craters on the moon

B.

leftover energy in the universe from the event

C.

the force of gravity

D.

the existence of atoms

Which determines the chemical properties of minerals? A. luster B. type of atoms C. crystal shape D. cleavage

According to Darwin's theory of evolution, in which order do the steps of natural selection happen?

What are the names of top government officials or departments and their duties?

Which two bodies of water are divided between Europe and Asia?

Match these items. 1. ozonosphere the major source of pollution2. troposphere the changing of a gas to a liquid. condensation the changing of liquid to a gas 4. ionosphere carbon dioxide and water vapor trapping heat given off by Earth5.

4x-y=1 what the slop

M 1 = 40 130 50 Next Question

Why can low taxe rates encourage investment and increase employment and wages

Compare and contrast the features of the east and west coasts of the United States. What erosional and depositional features are more common on each coastline? What accounts for these differences?

What is a continuing source of tension between Syria and the United States? U. S. opposition to Syria's military presence in Jordan U. S. objections to Syria's state-controlled economy U. S. accusations that Syria supports terrorists U. S.