2.1.1. Igneous rock contains (fossils / no fossils). 2.1.2. Sedimentary rock erode (easily / difficult). 2.1.3. Coal is an example of (sedimentary / metamorphic rock). 2.1.4. Metamorphic rock is rocks that (have / have not) changed in form. 2.1.5. Crystal are (present / not present) in sedimentary rock.
