The Earth's magnetic field is generated in the Choose one: A. upper mantle. B. outer core. C. crust. D. inner core.

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Coal contains energy. a. light b. kinetic c. chemical d. mechanical