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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The prefix used in a word to indicate opposite of, is ill. For example, illiterate
It might be said that the adjective phrase to complete this sentences is option B (across the street) because it is providing information about the apartment, it is modifying the noun. In other cases, they provide more information, "because" is used to give a reason so it would be considered adverbial as well as, "for five years", it is related to time. Option D could be understood as a complement of the noun but not a modifier.