Answer:
The answer is option B & D<em> (cerebellum and limbic system)</em>
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The correct answer is letter A
Explanation: Poverty is not being able to have basic needs. Rates of mortality measure death of newborns, this is an important indicator of the health of the community. If the rates high this means that the community have some problems, like hygiene, social policy.
The correct answer is C. Parts fabricator in an automobile factory.
Explanation
On-the-job training is possible and appropriate for jobs that are not too complex. Also, this is only for jobs that are not related to critical issues as medicine/health or financial services. According to this, a parts fabricator can receive on-the-job training because this is not a very complex job, and a mistake in this position while training does not lead to a critical consequence. So, the correct answer is C. Parts fabricator in an automobile factory.
The answer is less and more (respectively).
To complete the sentence and to get the idea of the phrase:
They became less likely to under-perform on aptitude tests and more likely to become aggressive toward those who had insulted them.