How does opportunity cost affect people's wants and needs? A.
It changes the supply and demand of goods.

B.
It requires them to make a choice.

C.
It requires them to be producers and consumers.

D.
Opportunity cost does not impact wants and needs.

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.

Ais a way of expressing the relationship of a number, quantity, substance, or degree between two components

Regarding interpersonal attraction, which of the following statements is false? most people find it easier to initiate an interaction with another person rather than reciprocate to someone else’s overtures. proximity promotes attraction by increasing the frequency of contact between people. reciprocity may be the most important factor influencing the development of friendships. in choosing a mate we tend to marry someone who is like us in almost every way, a pattern called homogamy.