Объяснение:
1)Plate tectonics is a modern scientific understanding of the structure and movement of the lithosphere, according to which the earth's crust consists of relatively integral blocks - lithospheric plates, which are in constant motion relative to each other.
2)The Earth is made up of four layers: the inner core in the centre the outer core around it, the matle and the crust on the surface.
3) The location bellow the Earth's surface where the earthquake starts is called the hypocentre.
4)Scientists use a spacial instrument called a seismograph and a system called the Richter scale to record and measure the strength of an earthquake.
5)More than a million earthquakes accur every year, but most of them are minor and people don't feel them
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Underline the correct verb form in each sentence. a) can i have another book? i've read/read this one. b) i'm not ready. i didn't finish/haven't finished my homework. c) i can't find my wallet. i think i've lost/lost it. d) did you eat/have you eaten spaghetti last night? e) harry left/has left at 10.30. f) hurry up, jim! you didn't start/haven't started! g) did you see/have you seen this film last year?
2)haven't finished
3)i've lost
4)have you eaten
5)haven't started
6)have you seen