Examlex
The IR spectrum of m-xylene contains stretches which are characteristic of most aromatic hydrocarbons. List the peaks (in cm-1) associated with the aromatic C-C stretch and the aromatic CH stretch.
Cornea
The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing to the eye's ability to focus.
Light Rays
Streams of photons that move in a straight line, visible to the human eye when they strike an object and are reflected.
Lens
A piece of transparent material, usually glass or plastic, that refracts or focuses light rays, used in glasses and optical instruments.
Critical Periods
Specific times during early development when the organism is particularly sensitive to certain environmental stimuli, which can have a lasting effect on later development.
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