What are the blue dots in battery-resistor circuit.

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy