Member for
3 ปี 5 เดือนAge: 13+
Level: 9
Language: English
(en)
ไอดี: 777410
03/03/2021
Country code: US
Country: United States
Main content: Science (2013173)
From worksheet author:
sound waves
Other contents:
labeling a wave
Share / Print Worksheet
![Sound waves Sound waves](/sites/default/files/styles/worksheet/public/def_files/2021/3/3/103030322141393836/103030322141393836001.jpg?itok=E5z94sAs)