Answer: Cultural combination.
Explanation:
The religions, languages, dress, foods. and customs are all apart or cultural and when two are combined it is known as cultural combination.
Fertile soil and mild climate!
Answer: the answer is D, stones in a riverbed lying with their upstream ends slightly lower than their downstream ends.
Explanation: Imbrication ocurrs when the fragments of the rocks are puneshed by the water current.
I hope I have helped you.