Science
Junior High
่ณๆฅโผ๏ธ๐ข๐ซ๐ซใชใๆธฉๆๅ็ทใ ใจๅใใใฎใงใใโผ๏ธ๏ผ
ๆใใฆใใ ใใ๐๐ฆ
ใใใใฎ
2 ใใฎorrๆใฎๅคฉๅๅ ใ
ๆฌกใฎ
ใง|, ๅฃไธญใฎPใ Qใฎ2 ๅฐไธใฎๅคฉๆฐใ่ชฟในใ
ใซ็นใใชใใใ
ๅจใ ๅฐ็นใงใฏ.
ใใฃใฆใ:
() ๅกซใ่จใใใๅ็นใฏใ ใฉใฎใใใชใจใใซใงใใ
ใใใ็ๆฐใ ใ่ฒด็ฅญใใจใใ่ชใ็จใใฆ, ็ฐกๅใซ็ซ
้WW 9 ๆใซๅ็ทใฎๅฝฑ้ฟใๅใใงๅ
ใใชใใใใ
(ใฎ ๅบซใฃใฆใใๆฏใซใคใใฆ่ชฌๆใใๆใจใใฆๆใ้ฉๅใชใใฎใ. ๆฌกใฎใขใผใจใใ
ใง็ญใใชใใใ
ใข ๅ็ทไป่ฟใซใงใใไนฑๅฑค้ฒใซใใฃใฆ.
ใค ๅ็ทไป่ฟใซใงใใไนฑๅฑค้ฒใซใใฃใฆ.
ใ ๅ้ไป่ฟใซใงใใ็ฉไนฑ้ฒใซใใฃใฆ.
ใจ ๅฐ็ทไป่ฟใซใงใใ็ฉไนฑๅใซใใฃใฆใ ใใ ใใใช็จใ้ใฃใฆใใ=
ใฏใใใ้จใ้ใฃใฆใใ=
ใใ ใใใช้จใ้ใฃใฆใใ
ใฏใใใ้จใ้ธใฃใงใใ
ๅ5 ไบบ ใไผๆใชใตใคใฐ
ๅบ (โช) (ไพ) ๆๆฐใๅฏๆฐใฎไธใซใฏใไธใใ ใจใใ
(2)
ๅ2
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