Humanity today: how many we are, how long we live, how poor and how rich

The 16 questions of lesson 78 «Humanity today: how many we are, how long we live, how poor and how rich» of the history course of Mova's primary school with their options, 102 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: the lesson at school.

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