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World Languages, 23.06.2019 05:50
What is communication in speech, writing or signals
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World Languages, 24.06.2019 19:00
During sensitive periods of brain development like cell migration the brain is vulnerable to effects like: a. malnutrition b. infection c. toxins /drug use d. b and c e. all of the above
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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 14:00
Missus a. having been sent b. going to send c. having sent d. sending
Answers: 2
Câu nào có ? A. dấu chấm hỏi B. xa xôi C. nhà ở...
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