Mynd i'r prif gynnwys

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Rydych chi'n westai ar hyn o bryd

Mewngofnodi

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Ehangu'r cyfan Crebachu pob un

Ecology and Environmental Systems
Cycles in Nature
Cycles in Nature

Cycles in Nature

Collection

The gathering of water in oceans, lakes, rivers, and other bodies of water.

» Cycles in Nature

Rydych chi'n westai ar hyn o bryd (Mewngofnodi)

Data retention summary

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