Which two statements are true?

A. a moving magnetic field creates an electric field.

B. a constant magnetic field creates an electric field.

C. a constant electric field creates a magnetic field.

D. a moving electric field creates a magnetic field

When salt is added to the water what happens to the surface?

All objects emit what radiation

What two elements existed before the first stars?

Why is it necessary to evaluate an experiment

Physical therapists know as you soak tired muscles in a hot tub, the water will cool down as you heat up. If a 67.9 person at 37.1 oC immerses in 50.2 kg of water at 40.5o C, the equilibrium temperature is 38.7 oC.

Elements in an blank or blank of the periodic table have similar characteristics

A pendulum is raised 1.5 cm and allowed to fall. if air resistance is negligible, how high will the pendulum rise on the other side?

In which of the following situations or place would you want to reduce the force of friction (multiple answers) A.) moving your mouse along the mousepad B.) the axle of your car wheels while you are driving C.) you are climbing a steep ladder D.

A star's parallax angle is 1.0. How far away is the star in light years?

What is calcite luster?