The answer to this question is:
<span>The
brain structure that is most likely causing this is the
“Reticular Formation”.</span>
<span>
The
reticular formation plays a vital role in states of consciousness like awareness
and sleep. It has connections to the thalamus and cerebral cortex
that allow it to gain some control over which sensory signals arrive at the
cerebrum and come to our conscious attention. </span>
The statement that there are main five types of the stratification is false, because the stratification have mainly four types.
<h3>What is stratification?</h3>
Stratification means the enactment of screening or shortened the data, people, and objects into clear-cut groups or layers.
It is the technique that is used with the combination of another other data analysis tools. It means the categorization of the society on the basis of socioeconomic causes like wealth, income, race, education, etc.
There are mainly four stratification system that are slavery, estate systems, caste systems, and class systems.
Therefore, the given statement is false.
Learn more about the stratification, refer to:
brainly.com/question/5900661
Answer: from 4,000,000 to 14,000,000 people.
Explanation:
I did some online research for you. Hope this helps.