Economics is: Group of answer choices
a) an interaction between macro and micro considerations.
b) empirical testing of value judgments through the use of logic.
c) the use of policy to refute facts and hypotheses.
d) a social science concerned with the efficient use of scarce resources to achieve maximum satisfaction of economic wants.

d) a social science concerned with the efficient use of scarce resources to achieve maximum satisfaction of economic wants

Explanation:

Economics is a social science which studies human behaviour as a relationship between ends and scarce means which have alternative uses. It studies the production, distribution and consumption of goods and services.

Option (D). Economics is a social science concerned with the efficient use of scarce resources to achieve maximum satisfaction of economic wants.

Explanation:

Economics is a social science that is involved in the production, distribution and consumption of goods or services. It studies how limited resources are used. It (Economics) is concerned with four factors of production which are the recipe for economic activities which are - land, labour, capital and entrepreneurship.

Economics may also be seen as a science that studies behaviour of human beings as a relationship between ends and scarce means which have alternative uses.

Economics is therefore a social science that is concerned with the analysis and description of production, supply and consumption of goods and/or services.

- "sack of constantinople, (april 1204). the diversion of the fourth crusade from the holy land to attack, capture, and pillage the byzantine city of constantinople divided and dissipated the efforts of the christians to maintain the war against the muslims. the fourth crusade was corrupted from its purpose early on."

- "the crusades were a series of religious wars undertaken by the latin church. the first crusade arose after a call to arms in 1095 sermons by pope urban ii. the first crusade unleashed a wave of impassioned, pious catholic fury, which was of constantinople, the capital of the christian-controlled byzantine empire."

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there are indirect ways of affecting state laws   by with holding funding's. and that's why we have a 55mph speed on the high way with a design of 70mph speed.