Examlex
The first feature carved by a mountain glacier is a(n) ________.
Bipedalism
The ability to walk upright on two legs, characteristic of humans and their ancestors.
Ultraviolet Sun Radiation
A type of electromagnetic radiation emitted by the sun that has shorter wavelengths than visible light, can cause skin damage, and is instrumental in the production of vitamin D in the skin.
Free Hands
The freedom or capacity to act or operate without constraint or interference.
Visual Acuity
The clarity of vision or the sharpness of eyesight, measured as the ability to discern letters or numbers at a standardized distance.
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