What established the procedure by which the united states would expand westward across north america by the admission of new states

Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Carbon 14 is a naturally occurring stable