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shortest wavelength of visible light: Violet

Energy that can be felt as heat but can't be seen: Infrared radiation

Short invisible rays that can cause damage to the eyes: Ultraviolet light

visible light with the longest wavelength: red 700

Explanation:

Violet has the shortest wavelength, at around 380 nanometers, and red has the longest wavelength, at around 700 nanometers.

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.

a community that experiences major changes undergoes progress