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need help Earth Resources +rep for answer
Posted:

need help Earth Resources +rep for answerPosted:

ttg_samuelll
  • Rising Star
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Joined: May 04, 201113Year Member
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Status: Offline
Joined: May 04, 201113Year Member
Posts: 781
Reputation Power: 33
i am wondering what perthite is

I don't want the dictionary definition because i don't understand it, if someone can tell me what it is i'll rep you for the help
#2. Posted:
Fellaini
  • Powerhouse
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Joined: Aug 17, 201212Year Member
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Status: Offline
Joined: Aug 17, 201212Year Member
Posts: 498
Reputation Power: 20
Wikipedia will have a more explanatory explanation of it.
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