tasks and solutions p 123

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Solutions p123 Focus on Geology

1.-
1b
2a
3c
4a
2.-
1 crust
2 tectonic plates
3 mantle
4 plate boundaries

3.-
1 ash cloud
2 volcanic bombs
3 cone
4 ash layers
5 magma chamber
6 side vent
7 main vent

Tasks

Here you have some exercises about passives  with solutions included

 https://www.perfect-english-grammar.com/passive-exercise-5.html