Answer:
For the two rivers its
Huang and Yangtze rivers
the longest river is Yangtze river
Why the two rivers were important was because the Yellow River to the north and the Yangtze River to the south. These major rivers were a great source of freshwater, food, fertile soil, and transportation.
And I'm pretty sure what they meant by what the names were for the scientists is Archaeologist
Have a great day a god bless, I'm a Hebrew and god has done great things to me so have faith in him and be strong don't give up because Yeshua ( Jesus) got up so that we could get up again
Explanation:
Hope this helps, PLEASE MARK BRAINLIEST!!! SORRY IM LATE