earthquakes and volcanoes by

earthquakes :

dida04a — 2017-11-14 10:25:06 UTC

earthquakes are sudden and abrupt movements of the earth's crust in the form of horizontal or vertical shakes

volcanoes

dida04a — 2017-11-14 10:31:44 UTC

the magma chamber contains semi-solid rocks is compressed gaseous substances. when pressure in the room is strong to push off the lava and ashes.
according to the type of eruption, there are:
- shield volcanoes
- cone volcanoes

what comes out of the lava

dida04a — 2017-11-14 10:38:04 UTC

other materials come from the lava: bombs, bullets, lapilli, ash and also vapor, carbon dioxide and other compressed gases in the volcano

earthquakes

dida04a — 2017-11-14 10:51:44 UTC