Pendulums, Greenwich and railway time, atomic clocks and phones

The 16 questions of lesson 123 «Pendulums, Greenwich and railway time, atomic clocks and phones» of the world 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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/world/123-pendulums-greenwich-atomic-clocks/