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3. In metamorphism, the temperature and the pressure range should be exceeding the —————-but should be smaller than the —————— conditions.

9. Which of the mineral below is a KEY MINERAL in high grade metamorphism?  

30. Which “age” does establish the exact age of an event?  

2. What does happen to the parent rock when metamorphism occurs?  

50. C14 can be good for Archeological Studies.  

35. Which of the following Principle does state “if a geological feature (rock layers) cutting existing rocks, then the cutting rock is younger than the one is being cut”?                                         

35. Pyroclasts are also known as ——————– (choose two best options!!)  

46. Impurities (such as Pyrite or Clay mineral) in the coal create ______________  

36. Which “age” does put the events in an order from oldest to youngest in establishing the sequence of events?  

29. Which of the following does NOT explain whether or not volcanoes erupt violently?