The demand curve<span> usually </span>slopes<span> downwards from left to right; that is, it </span>has<span> a negative association (for two theoretical exceptions, see Veblen good and Giffen good). The negative </span>slope<span> is often referred to as the "law of </span>demand<span>", which means people will buy more of a service, product, or resource as its price falls.</span>
It'd be D, that are, because it should be:
"It can be a real challenge to make a lunch that is both healthy and tasty"
After finishing any essay, you should check for grammatical or spelling mistakes, word phrasing, sentence structure, and whether or not you essay answers your thesis.
Good luck with that essay my man.
It’s C i think, the scene of this would help!