What are alkaline earth metals used for? A. solar cells
B. jewelry
C. fireworks
D. insulation

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little