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Sophial7's Profile
Star Rating: [2 
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Member Since: Dec 01, 2015
Total # Questions Provided: 1
Total # Answers Provided: 0
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Member Since: Dec 01, 2015
Total # Questions Provided: 1
Total # Answers Provided: 0
dez
1
2015
Ensino médio . Substâncias puras e inpuras
1) Dos materiais abaixo, quais são misturas e quais são substâncias puras ? Dentre as substâncias puras, quais são simples e quais são compostas ? A) água dos rios ; B) ferro ; C) aço; D)...
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