What is the purpose of the experiment described in the text?
I- To determine the presence of organic impurities in a sample of fine aggregate.
II-...
What is the purpose of the experiment described in the text?
I- To determine the presence of organic impurities in a sample of fine aggregate. II- To provide recommendations for accessing the VirtuaLab. III- To answer frequently asked questions about the use of virtual laboratories. a) Only I is correct. b) Only II is correct. c) Only III is correct. d) I and II are correct. e) I, II, and III are correct.
O objetivo do experimento descrito no texto é determinar a presença de impurezas orgânicas em uma amostra de agregado fino. A alternativa correta é a letra a) Apenas I está correta.
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