Which landform represents a flowing, moving stream of water that feeds into an ocean?

A river.

The definition for river is "a large natural stream of water flowing in a channel to the sea, a lake, or another such stream."

However, in your question you asked for a 'land form', but you also asked for a 'stream of water'. This confused me slightly, so please let me know if I did not interpret the question you were asking correctly. Also, a river is a stream of water, however, is not a landform.

explanation:

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