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Which of the following is not a class of the phylum Platyhelminthes?
Surface Environments
The external conditions and factors that influence the Earth's lithosphere, hydrosphere, atmosphere, and biosphere.
Steep Mountain Front
The abrupt boundary where the relatively flat terrain transitions into a steep mountain slope, often indicative of tectonic activity or erosion.
River Channel
The physical confine of a river, consisting of a bed and banks, within which water flows in a significantly regulated manner.
Ultraviolet Energy
Electromagnetic radiation with a wavelength shorter than visible light but longer than X-rays, capable of producing chemical reactions and causing sunburn.
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Q62: Which of the following is NOT a