Deltas a. are made of sediment deposited near the mouth of a stream. b. form where a stream deposits sediment on a flat plain at the base of a mountain range. c. contain distributaries that flow into the trunk river. d. may sink below sea level if the river and its distributaries frequently flood the delta.

In galveston, located in the gulf coastal plains (prairies and marshes), the beaches are often exposed to hurricanes originating in the gulf of mexico. it is reasonable to predict that the hurricane activity may? a. create new rivers near galvestonb. move sand from the beach to offshore sand barsc. cause local earthquakes after the stormd. create new river deltas along the beaches