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1.
A characteristics feature of metamorphic and sedimentary rocks is that they are
crystalline in structure.
non-crystalline in structure.
glassy in appearance.
metallic in appearance.
2.
A characteristics feature of metamorphic and sedimentary rocks is that they are
crystalline in structure.
non-crystalline in structure.
glassy in appearance.
metallic in appearance.
3.
Metamorphic rocks are formed through
chemical change caused by heat and pressure
biological change of original rocks
physical disintegration of igneous rocks
combination of igneous and sedimentary rocks
4.
Abrasions and chipping off processes in rock weathering is caused by
I. wind.
II. water.
III. animals.
I and II only
I and III only
II and III only
I, II and III