Answer:Periods of Earth's history with extensive sea ice result in enhanced albedo
Explanation:
The answer is D. heat flow and the movement of material inside the Earth
That is the only really obvious answer since it's basically talking about plate tectonics.
Drainage basin - the area of land drained by a river.
Catchment area - the area within the drainage basin.
Watershed - the edge of highland surrounding a drainage basin which marks the boundary between two drainage basins.
Source - the beginning or start of a river.
Confluence - the point at which two rivers or streams join.
Tributary - a stream or smaller river which joins a larger stream or river.
Mouth - the point where the river comes to the end, usually when entering a sea.
Hope this helped :)
