Examlex
Radio galaxies emit only radio waves, and are not otherwise observable.
Migratory Birds
Birds that travel from one region to another at regular times often over long distances, typically for breeding or weather conditions.
Excess Water
A surplus amount of water beyond what is needed or used, often leading to conditions like waterlogging in plants or overhydration in humans.
Fresh Water
Water that is not salty, often found in rivers, lakes, and streams, and is essential for many forms of terrestrial life.
Distinct Zones
Separate or clearly different areas within a particular space or environment.
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