google À̸ç Ã¥ÀÌ¸ç ¿½ÉÈ÷ ã´Ù°¡, µµÀúÈ÷ ãÀ»¼ö°¡ ¾ø³»¿ä
¾Æ½Ã´ÂºÐ ²À ºÎŹµå¸³´Ï´Ù.
 
1. a back and forth motion started by a form of energy?
 
2. houw loud a sound is -how much energy sound carries?
 
3. the highness or lowness of sound?
 
 
A. wavelength         B.     attributes       c. pitch