Answer:
D. controlling such a large area
Explanation:
The area that's controlled by the Mesopotamian empires covered western Asia and Northern part of Africa. In 4000 BCE This was among the largest empires in the world .
Since there was no effective method of long distance communication during that time, managing this very large are was extremely difficult. In the end, many part of their regions were left unmanaged and fall to the attacks from other smaller empires or groups of barbarians.
The effect of social facilitation on those performing a difficult task is that their performance tends to suffer
<h3>What is a
social facilitation?</h3>
This means tendency of presence of others which improve a person's performance on a task.
However, the effect of social facilitation on those performing a difficult task is that their performance tends to suffer
Therefore, the Option A is correct.
Read more about social facilitation
<em>brainly.com/question/46360</em>
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This conversion of one form of energy into another is called: <u>transduction</u>.
<u>Explanation</u>:
In the above scenario, the light energy received by Samantha on opening her eyes to see the flowers was then converted into neural messages to process by the brain. This kind of conversion of energy is known as transduction.
Transduction is done as the physical energy cannot be directly transmitted to the brain. It is then converted into electrical signals like neural impulses and transmitted to the brain. The transmission of signals from an exterior of cell to its interior is known as cell signaling or signal transduction. To achieve appropriate response, the signals received by cells should be effectively transmitted to another cell.
Explanation:
The per capita income can not reflect the true state of economic development because if the income of a particular group have increased or have become rich and the income of other groups remain the same, it will reflect an increase in the per capita income.