pacerskora
22.11.2020 •
Chemistry
Write a description of how you know a chemical reaction is occurring.
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Ответ:
Ответ:
All the mentioned phenomenon are related to changes in conditions on earth.
continents moving : it is a very slow change in condition on earth. ( 2.5 cm / year)
tectonic plates shifting: it is a very slow change in condition on earth. they sometimes move towards and sometimes away from each other.
Organism adapting : it is again a slow change, moves from generation to generation.
A meteor striking: it is a rapid change in conditions on earth