Economics is the study of scarcity. Scarcity exists because the society has unlimited needs and wants but the resources to satisfy these are unfortunately, not unlimited. That is why there is a certain cost to scarce things. The scarcer the thing is, the more its costs. Aside from scarcity, factors like production cost and capital affect the cost of a thing, commonly referred to as a good.
Answer:
Most of them consider themselves to be middle classed because they worked hard to earn the spot they're at today.
The complete predicate in this sentence is A. mopped his brow, exhaled sharply, and picked up his phone.
B and C aren't correct, because they aren't complete predicates - something is missing.
D isn't correct, because <em>looking up from his computer monitor </em>is not a predicate, it is an adverb phrase.
B i actually read this book i believe b is right
