A student separated a mixture of sulfur and iron using a magnet. Then, the student drew a model of what happened at the molecular level. Which model represents what happened when sulfur and iron were separated?
ОА.
OD
8888
ОЕ.
Oc.

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.

70 give a real life example showing how sensory neurons work with the motor neurons

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?