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Post date	Users	Rates	Content
2016-07-29	Enas Al lami		Check this topic

Topic title: ScriptNarrator:Now listen to part of a lecture in a physics class.Male ProfessorHave any of you ever wondered how, exactly, planes are able to fly, even though they’re so much heavier than air? There are actually a couple of ways we can answer that.The

Topic category: Q6