read and listen to the text then answer the questions.
1.what are tectonic plates
2. How many layers is the earth made up of
3.what is a hypocentre
4.what does a seismograph
5. How many earthquakes occur every year
1.what are tectonic plates
2. How many layers is the earth made up of
3.what is a hypocentre
4.what does a seismograph
5. How many earthquakes occur every year
Answers & Comments
Ответ:
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Объяснение:
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