Answer:
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Answer:
The Ancient Greeks´ most important economic activities are farming and trading.
Explanation:
In the Ancient World, states and nations had different measures and weight systems, they also had vastly different languages and curriences.
In order to solve this problem, and facilitate trade, some forms of standard measures and weights were invented, which applied to specific geographic areas.
The same applies to currency, where some currencies became tradable in vast geographical regions that were larger than state borders.
Answer:pretest/posttest
Explanation:
A pretest-posttest refers to a experiment in which individuals in a study participate before and after the experiment. This is done so that a researcher may examine if manipulation of the experiment changes the result obtained from the participants. In this design there is only one large group used for the experiment.
This is done to examine and establish if changing something can influence the participants. The manipulation is constant throughout all the participants since the participants are studied before and then after the manipulation of the experiment.