What is the place where a river meets the sea or ocean called?
a) Source
b) River Mouth
c) Glacier
d) Basin
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Answer: b) River Mouth
Explanation
- River Mouth: The point where a river empties into a larger body of water, such as a sea, ocean, lake, or reservoir. At the river mouth, the flow speed drops significantly, resulting in either the formation of a delta (where heavy sediment accumulates) or an estuary (where freshwater mixes with tidal saltwater).
Overview of Other Options
- a) Source: The starting point or headwaters where a river or stream originates (e.g., a mountain spring, glacier, or lake).
- c) Glacier: A dense, persistent mass of ice that moves slowly under its own gravity; often serves as the origin (source) for major alpine rivers.
- d) Basin (Drainage Basin / Catchment Area): The entire total geographical area drained by a river and all of its tributaries.
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