<em>I</em><em> </em><em>think</em><em> </em><em>none</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>above</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>
Answer:
A). The number of contrives in Europe.
Explanation:
<u>The key difference in six and seven-continent model is that the former is taught in Europe, Japan, and Russia while the latter model is preached in the United States, Asia, United Kingdom, and Australia</u>. In the six-continent model, South America and North America are merged into one section named 'America' while the seven-continent model denotes them separately. Thus, <u>option A</u> is the correct answer.
Activation of the <u>Serotonin </u>neurons of the forebrain would be expected to <u>suppress </u>aggressive attack.
Numerous studies link elevated impulsive and aggressive behaviors with reduced serotonin metabolites. The opposing association has been substantiated by therapies targeted at directly reducing serotonin cell activity, despite the fact that pharmaceutical reduction of serotonin is linked to an increase in aggression.
Furthermore, it is unclear whether any of the relationships observed may be caused by changed serotonin activity during development. Here, we used two Pharmacogenetic techniques to selectively and reversibly decrease the firing of serotonin neurons in behaving animals in transgenic mice.
A persistent reduction in serotonin neuron firing was linked to increased aggression, as demonstrated by conditional over expression of the serotonin 1A receptor (Htr1a) in serotonin neurons.
To learn more about Serotonin here
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This is based on "The Great Gatsby", a novel that was written by <span>F. Scott Fitzgerald. And in this novel, Fitzgerald connects the behavior of the characters to the hottest day of the summer because of the way they acted. They were so heated and are angry that makes this linked to the hottest day.</span>
