I think the answer is : Macroeconomics is a) the study of the economic behavior and decision making of small units, such as individuals, families, and businesses. b) the study of the behavior and decision making of entire economies.
Development of permanent settlements, they were hunters and gatherers before which made them travel often
Genetic improvement of vegetables using transgenic Technology
Anticipation is primary emotion is most closely related to joy
A feeling of pleasure or anxiety in anticipation of an anticipated event is called anticipation. Fear, anxiety, hope, and trust are all examples of anticipatory feelings. If the anticipated event does not occur, disappointment (in the case of a positive event) or relief (in the case of a negative event) follow.
Anticipation is excitement, eager anticipation that something you know will happen. A person who has just proposed marriage longs for a positive response. Anticipation can be nervous anticipation, like when a birthday party is waiting for Elmer to come.
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