Which statement describes iron? A.
Iron is a conductor because each atom shares all of its electrons with the surrounding atoms.
B.
Iron is an insulator because its atoms have the maximum number of valence electrons.
C.
Iron is a conductor because the outer electrons of its atoms can move easily from one atom to another.
D.
Iron is an insulator because the outer electrons of its atoms can move easily from one atom to another.

Four potential forces can act on the ball. which combination of forces will keep the ball in static equilibrium? the length of the arrows represents the magnitude of the force.

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear