This easy look up stuff about the Nile river its quite easy, the Nile is in egyp it helped the egyptian alot with farming becase its rich with minerals
I think the Sputnik sattelite from the Soviet was the first.
Answer:
its either before or after, i think maybe before
b) Much of the city is built on filled-in, shallow lakes and swampland.
The answer is that that is the truth