Answer:
A. The confirmation bias
Explanation:
This is a type of cognitive bias and it involves people justifying their standpoint or beliefs about a certain topic by looking out for informations that strengthens such beliefs or bias. For example a Christian believer would always defend his religion and show some level of bias to other religions.
I think its the Perpetration of the gifts... im not sure
The answer to your question is,
because the water slows down, the sediment drops to the bottom
-Mabel <3
It provided wealth to China and provided more land for china