Examlex
Suppose you interview every tenth person who enters a shopping mall one day.What kind of sample is this?
Floodplain
The flat area adjacent to a river, prone to flooding during periods of high discharge, often fertile due to the deposition of sediments.
Delta
A landform created at the mouth of a river where it deposits sediment as it flows into another water body, such as an ocean or lake.
Waterfall
A steep descent of water within a stream, such as the place where it crosses a cliff or steep ledge.
Meander
A winding curve or bend in a river or road, formed as the watercourse erodes the landscape in lateral directions.
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