Bacalah teks berikut untuk... - Soal UTBK No.122 | SoalCAT
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Tryout UTBK-SNBT 07 UTBK Literasi dalam Bahasa Inggris

122.

Bacalah teks berikut untuk menjawab soal nomor 121 sampai 125!

The Sound Cats Make When Content

A cat's purr is a low, steady rumble, usually at a frequency of about 25 to 150 vibrations per second. Cats purr when they are relaxed, such as when they are being stroked, but they also purr when they are hungry, frightened, or in pain. This range of situations has led scientists to doubt that purring simply means happiness.

One explanation is that purring is a signal. A kitten can purr within days of birth, while still unable to see, and the sound may help it tell its mother where it is during feeding. Adult cats may later use a slightly different purr, mixed with a higher cry, to ask for food from their owners, and listeners often find that version more urgent.

Another idea is that purring helps the cat itself. Vibrations at this frequency have been linked to the repair of bones and muscles in other animals, which could explain why cats seem to purr during recovery. However, this link remains a hypothesis; no study has shown that purring heals a cat faster than rest alone.

Why do scientists doubt that purring simply means happiness?

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