How is gravity best described?

A. A kind of acceleration

B. A molecular pull

C. A fundamental force

D. A description of mass

An ion in a mass spectrometer follows a semicircular path of radius 14.8. What is the distance it travels?

According to the scientific community of Alfred wegeners day what was the flaw in his theory of continental drift? A. He could not explain the present day movements of the earths plates B.

What happens when a sound wave passes from oil into air?

Electricals is what I have and if the substance is a metalloid

Describe the difference between the temp. of a gas and its pressure?

Which of the following statements about psychodynamic perspective is not true?

Explain how to run off water could pollute streams and rivers

Explain teen pregnancy from a sociological perspective.

Imagine you are on a roller coaster, riding a skateboard, or running across the ball field. What are some clues that you are moving?

In vacuum, red light travels at a greater speed than blue light does. a. true b. false?