what happened in the picture above? group of answer choices rivers have delivered sediment to the sea, forming flat-topped deposits called deltas. rivers have delivered sediment to the sea, forming deltas that built up as they built out so that they still slope slightly downhill toward the sea. turbulence where the rivers enter the sea has caused suspended sediment in the seawater to flocculate and settle, forming the deposits seen on the right. divers have built the mud piles to slow down the river water and protect endangered clams that live along the coast. a certain financially ailing airline that flies to cincinnati and then atlanta built this from thrown-out beverage cups as an advertisement.