state refusing to follow a federal law would be guilty of refusing to amend the Constitution. refusing to ratify Constitutional amendments. violating the Full Faith and Credit Clause. violating the Supremacy Clause.

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .

answer; motor learning;