Šiame skyriuje išsiaiškinsite, kas yra garsas, kaip jis atsiranda, kaip sklinda. Suprasite, kodėl musė zvimbia, o uodas zyzia, kodėl Mėnulyje negalėtume susikalbėti, kas yra aidas. Sužinosite, kuo muzika skiriasi nuo triukšmo, kas yra triukšmo tarša ir kaip galima ją sumažinti.
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