Loading ad... NisachonMember for 2 years Age: 11-12 Level: 5 Language: Thai (th) ID: 7173767 11/09/2023 Country code: TH Country: Thailand School subject: Science (1252773) Main content: Science (2066652) From worksheet author: Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...