Based on the results of cross-sectional intelligence testing, <u>younger </u><u>generations were considered to be</u><u> smarter</u><u> than older ones fo</u>r the first half of the twentieth century.
According to the research, it should be noted that intelligence increases in childhood. It then peaks in adolescence then it gradually decreases as one grows older.
The article further stated that younger people are smarter than older ones. Therefore, younger generations were considered to be smarter than older ones for the first half of the twentieth century.
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Answer:Slavery was not widespread
Explanation:
Europeans or New England peoples did their own agriculture & industrial work. I just completed it on Engenuity slavery was not widespread
D. transformed a deserted island into a large city with causeways
bartering of goods for each other
Explanation:
After the decline of the Indus valley civilization, Vedic age started in the Indian history. Generally dated, between 1500-600 B.C. as most of the modern scholars agree on this date. References point to the use of barter system and metallic currency in that age. In the Vedic Age, the cow stood as a higher unit of barter and cowrie-shells were used for lower purchase