Examlex
Which activity causes more pollution and environmental degradation than any other human activity?
Telephone Calls
A form of verbal communication or data transmission over a distance through the use of a network specifically designed for this purpose.
Randomly
In a manner lacking any predictable pattern or plan, used in statistical sampling to ensure that every individual or element has an equal chance of selection.
Wavenumber
A measure of the number of wave cycles per unit distance, often used in physics and chemistry to describe the wavelengths of light and other forms of electromagnetic radiation.
Wavelength
The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.
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