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Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
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Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust
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El desmembramiento de pangea ocurrió en la era:
1- Cenozoica
2- Cuaternaria
3- Mezozoica<...
2- Cuaternaria
3- Mezozoica<...
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