exponents: tells you how many times number, or base, is used as a factor
cataract: a large waterfall; any strong flood or rush of water
delta: a plain at the mouth of a river, formed when sediment is deposited by flowing water
silt: fine soil found on river bottoms
agonize: to suffer extreme physical or mental pain
emerge: to come into view
dislodge: to move from a settled position