However, in recent decades, the trend has changed: since the 1990s, the level of intelligence began to decrease in a number of countries. Evidence of a decrease in IQ Norway, Denmark, Finland ...
"The standard description of this level of intelligence is 'Genius - Exceptional ... So, even though the IQ chart is based on ...
This leads to a gradual decrease in the average IQ level. However, scientists argue about the real impact of this factor since intelligence is formed not only by genetics but also by the environment.
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