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c)metamorphic rocks
3. What is the great source of oil?
а) common lavas
b) marine beds
c) shalls and quartzites
4. When either igneous or sedimentary rocks are subjected to
enough heat and pressure their character and appearance
а) are changed.
b) are unchangeable
c) become more permeable
5. What is the either name of sediment rocks?
а) stratified rocks.
b) metamorphic rocks
c) plutonic rocks.
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