What two units are used to measure the frequency and amplitude of a sound wave?
A. Hertz is a measure of frequency, and a decibel is a measure of amplitude.
B. A decibel is a measure of frequency, and hertz is a measure of amplitude.
C. The quantization is a measure of frequency, and sampling is a measure of amplitude.
D. Sampling is a measure of frequency, and the quantization is a measure of amplitude.

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i think its d

explanation: