Which form of erosion would be the slowest?
A.
the flow of water creating a valley
B.
wind causing the sand in a desert to form a dune
C.
some of the sand on a beach washing out to sea
D.
a wind storm blowing dust to the south

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.