A voltage source provides required for electric current. A. the electrons B. the potential difference C. the resistance D. the pathway

Air flows upward in the wick of a lantern because of the liquid property called

Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles