Unlike the classical economists, Keynes asserted that

Which of the following is true about business cycles in the United States?

Which of these indicate that a work is truly scientific?

Which statement is TRUE about a DNA molecule? 

Which of these statements is CORRECT?

The ability to tolerate lactose throughout life most likely arose in ________.

You try to start your car, but it does not start. Which of these is a prediction?

In organic compounds, groups of atoms directly involved in chemical reactions are called ________. 

People with lactose intolerance do not have enough ________. 

What name is given to bonds that involve the sharing of electrons?