The correct answer is "delta." The name for a triangular-shaped deposit of sand and soil at the mouth of some rivers is called delta. Delta <span>is a landform that </span>forms<span> from deposition of sediment carried by a river as the flow leaves its mouth and enters slower-moving or standing </span>water<span>.</span>
Do you mean what caused it? or what the after affects where?
The main reason is that the USA is in the Northern Hemisphere & Australia is in the Southern Hemisphere. It has all to do with the tilt of the earth as it revolves around the Sun. Summer happens in the hemisphere tilted towards the Sun, and winter happens in the hemisphere tilted away from the Sun.
After reviewing the map of the individual watersheds in New York State, the answer is really easy to determine. The two landscape regions that the streams in watershed D flows over is the Adirondack Mountains and the St. Lawrence Lowlands. The correct answer choice is 4.