Science
Junior High
่ณๆฅใงใ ๐๐ปโโ๏ธ๐๐ปโโ๏ธ
ใใฎๅ้กใฎ ่งฃใๆน ใ ๆใใฆไธใใ ๐๐
่ชฌๆ ใชใฉ ๅบๆฅใใ ใ ่ฉณใใ ๆธใใฆ ้ ใใใจ
ๅฌใใ ใงใ ๐๐ปโโ๏ธ๐๐ปโโ๏ธ
ใใคใใ
(9) 1 ็ง้ใซ30ใณใๆฎๅฝฑใใใใ
ใชใซใกใฉใงใใผใใฎ้ฒใฟๆนใๆฎๅฝฑ
ใพใใจใใ้ธใใใใฏ10ใณใใง2็น
้ฒใใงใใพใใใใใฎใจใใฎใใผ
ใใฎ้ใใฏใใใไฝkm/hใงใใใ
ๅๆจไบๅ
ฅใใฆๆดๆฐใงๆฑใใชใใใ
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