Seudónimo Seudónimo
  • 16-11-2016
  • Biology
contestada

please help with the ones in ice blue!!!!! thank you! please take a look! i really need help!

please help with the ones in ice blue thank you please take a look i really need help class=

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BobR9
BobR9 BobR9
  • 16-11-2016
I know number 4 is calcium, because limestone is calcium carbonate, or CaCO3
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Аноним Аноним
  • 16-11-2016
All right. Number 4 is D) Limestone. Number 6 is D) Shale. And number 7 is C) C. Hope this helps.
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