What kind of sediment motion in a stream can create finer sediment clasts?

According to the united nations refugee agency, more than 2/3 of the world's refugees come from just five countries. which country is not on that list? a) turkey b) myanmar c) afghanistan d) south sudan

How does the parallax of a nearby object compare to that of an object farther away?

How would i answer this in a exam. orange - sea temperature is over 27 red arrows - tropical storm routes