Frequency is the number of waves that pass<span> a </span>given point<span> in a certain </span>amount<span> of </span>time<span>. The frequency and wavelength of a </span>wave<span> are related. When frequency increases more </span>wave<span> crests </span>pass<span> a fixed </span>point<span> each second. hope this helps!
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because humans are not perfect and have their own prejudices and bias so no document will ever be "perfect"
Practice writing until you can tell what you have done well or poorly and can edit your own work.
Answer:
four boys
Explanation
as it describes the quantity which comes under adjective of quantity
