I believe the answer is mid-ocean ridge system
hope this helps ! :D
Answer:
Alluvial deposit.
Explanation:
When the two rivers overflowed, they brought Alluvial deposits that was good for growing because Alluvial deposits comprise of silt, sand, clay, and gravel, as well as organic matter that is necessary for the plant and by using this organic matter, plant produces higher yield. Deltas of Mississippi, Brahmaputra, Nile, Ganges and Huang rivers are the examples of alluvial deposits.
Answer:
Encyclopedias are reliable
Personal history blogs are not reliable
History blogs are reliable
Academic Textbooks are reliable
The "new immigrants" who immigrated to the United States after the Civil War primarily came from all of the following countries except "Poland", since the other three nations from the list were far more prominent.