What creates a magnetic field? A. moving electric charges
B. charged particles at rest
C. moving magnets

When does your body conduct current more readily?

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.