Which sentences correctly use the word groom? select the three correct answers. a. the rider likes to groom his horse so much, the animal's coat gleams. b. grandma hester used a groom to sweep the leaves from the front porch. c. our cat likes to groom himself in the patch of sunshine on the porch. d. the groom was a nervous wreck on his wedding day.

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 .