Which is a model that shows only the valence electrons of an atom?

A. atomic model

B. heliocentric model

C. electron dot diagram

D. Hertzsprung-Russell diagram

List 2 uses/applications of geothermal energy.

Which of the following would be most likely to have monopoly power? A. a municipal water company B. a grocery store C. an online bookstore

Which of the following statements about the Sun is true? A. The Sun is made up mostly of helium and carbon dioxide. B. The outer layer of the Sun is also its most dense layer. C. The Sun rotates about its axis at a predictable rate. D.

What would happen to a current in a circuit if the resistance is multiplied by four

What does trajectory mean?

Projectile motion is an example of what kind of motion

What can change scientific knowledge?

6. What is ductility?

During practice, a baseball player hits a very high fly ball, and then runs in a straight line and catches it. Which had the greatest displacement during the time period from the hitting of the ball to its catching

Why are glass fibers stronger than bulk glass?