1.) Transportation og goods and people
2.) Farming because of the rich minerls in its rivers
3.) The fertile soil near the river which helpes grow flax, wheat and papyrus.
I believe you are correct, it is B: Diagnostic Services.
Diagnostic services are services like the staff at hospitals and the people who run machines that are related to medical needs.
<em>If this is incorrect, please, don't refrain to tell me.</em>
Answer: the answer is B. 18 to 26%
Explanation: I took the practice test on Edge and I got it right :)