Which is the appropriate unit of measurement for pitch? decibel mel joule watt

The mel scale is used when people deal with the perception of pitch. The mel scale is about the apprehend  spacing of the frequencies.

1kHz is used as an implication point and then the mel scale is derived from there only.

Mel unit uses the apprehend pitch difference in a linear way as compared to hertz, thus Mel unit is used as the appropriate unit measurement for pitch.

Therefore, option (B) is correct.

the answer is a. the yacht traveled from the dock north to the 200-meter marker in the bay in less than 5 minutes, giving the passengers several more hours to fish.

im doing peak rn so sry if its wrong

it breaks and dirupture other materials and other sencews from the bottom