Sorry i just needed to answer a question
I believe the answer is: Creep
Creep is caused because the soil material in the higher ground started to loosen up, which make the soil start to slide downward and bring up any material on top of it, including rocks. This happen due to continuous erosion process and lack of plants to hold on to the soil
It can be used to measure the direction and speed of blood flow in arteries and veins. It’s effective to diagnose any vascular problems.
It seems that you have missed the necessary options for us to answer this question so I had to look for it. Anyway, here is the answer. The one example of cultural exchange during the settlement of north america is this: <span>The Spanish introduced horses to </span><span>North America. Hope this helps.</span>