Final answer:
The pattern of condensation and rarefaction, commonly observed in longitudinal waves such as sound, is marked by alternating high-pressure (compression) and low-pressure (rarefaction) regions, which is analogous to the waveform in transverse waves.
Step-by-step explanation:
The pattern of condensation and rarefaction in sound waves is known as compression and rarefaction. When discussing waves, especially longitudinal waves such as sound, compression refers to the high-pressure regions, while rarefaction refers to the low-pressure regions. These regions move through the medium as the wave propagates. The correct answer to this question is that the pattern of compression and rarefaction itself is not called compression, amplitude, frequency, or wavelength. However, if we refer to the alternating patterns that make up the wave, such as the high-pressure (compression) and low-pressure (rarefaction), this could be considered analogous to the waveform, as it describes the form of the wave's variation through space and time.
In the context of the provided choices, none of the options perfectly describe the pattern of condensation and rarefaction by itself; however, compressions are analogous to the crests and rarefactions are analogous to the troughs found in transverse waves.