Examlex
A random sample results when each possible sample of a given size has an equal chance of being selected.
Oxygen
A reactive, life-sustaining component of the atmosphere, essential for cellular respiration in aerobic organisms and critical for combustion processes.
Carbon Dioxide
A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is absorbed by plants in photosynthesis.
Wavelength
The distance between successive crests of a wave, often used to describe the spectrum of electromagnetic radiation.
Visible Light
The portion of the electromagnetic spectrum that is visible to the human eye, ranging approximately from 390 to 700 nanometers wavelength.
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