The answer is A, the first one
The reason Egypt and Nubia were interdependent, meaning that both countries had to rely on one another for certain resources that were needed, was because both countries needed each others help. Numbia had more trade routes than Egypt, had natural resources they were interested in, and could also help fight off any invaders of Egypt.
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The importance of cataracts are that they act as defensive barriers to keep away the intruders or attackers. This helped Egypt thrive for some while, until it was later attacked from the west.
It important to attach a measure of reliability to the inference made in part b because a measure of reliability is one that tells a person or main one to be certain that the conclusion that was drawn was correct. Without it, people will just guess.
<h3>What is the measure of reliability?</h3>
Reliability is known to be a term that connote the way that a said or a given method measures a thing.
Note that when the same outcome can be obtain always or every time by using the same methods and also under the same circumstances, the measurement is one that is known to be reliable.
A person can be able to measure the temperature of a solid sample a lot of times under the same conditions
Therefore, It important to attach a measure of reliability to the inference made in part b because a measure of reliability is one that tells a person or main one to be certain that the conclusion that was drawn was correct. Without it, people will just guess.
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