›‰p’PŒ๊ƒNƒCƒYy‘I‘๐ŽฎF‚2E‰pŒŸ“๑‹‰E‰pŒŸ€ˆ๊‹‰z›
Ÿ‚ฟ”ฒ‚ซํƒ‚[ƒh

ก470–โ–ฺ ‰๑“šŒ‹‰สก
•sณ‰๐I
ณ@‰๐Fconclusion
Žž@ŠิF774•b
ณ‰๐”F102–โ

‘ๆ471–โ–ฺ
’•จE–ุ–ฺE—ฑ
pore
grain
crust
meteorite
rate


ƒƒjƒ…[‚ึ
ฤ’งํ