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World Languages, 24.06.2019 10:00
Which technique does billy joel use to establish unity between the lines ? a. imagery b. syntax c. alliteration d. rhyme
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World Languages, 24.06.2019 11:00
What is the potential danger from an accident at a nuclear power plant? a) fire and large scale explosions b) exposure to radiation c) meltdown of the plant and surrounding community d) entire cities could be wiped out
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World Languages, 24.06.2019 21:40
Em um acidente, um caminhão carregado de solução aquosa de ácido fosfórico (h3po4) tombou, derramando cerca de 24,5 toneladas dessa solução no asfalto. quantas toneladas de óxido de cálcio (cao) seriam necessárias para reagir totalmente com essa quantidade de ácido? 2 h3po4 + 3 cao → ca3(po4)2 + 3 h2o a. 14t b. 29t c. 42t d. 7t e. 21t
Answers: 2
World Languages, 25.06.2019 15:00
Which of the following has a positve charge? a) protons b) neutrons c) particles
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