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An introduction to geology
An introduction to geology

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1.2 Watch out for concrete

Having learned about the three different types of rocks, complete the activity below.

Activity 1.1 Concrete

Timing: Allow about 2 minutes


sedimentary rock


metamorphic rock


igneous rock

The correct answer is a.


Some concrete really can look like a rock, so be careful when you go out and find your own rocks to identify later in the course.