Thank you for taking the effort to submit your test for the contest. Unfortunately, this test will not be able to receive a prize:
Too many missing explanations. More than 10 explanations simply repeat the correct answer or just the question. E.g. #q29, #q27, #q26, #q21, #q14, #q13, #q12 etc
JPH
Crust can also be divided as upper and lower. Biotite is not a rock.
JPH
Oh, and referring to the left side of Bowen's reaction series is not meaningful. That's just how it's frequently drawn. That question should refer to the discontinuous series.
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Unfortunately, this test will not be able to receive a prize:
Too many missing explanations. More than 10 explanations simply repeat the correct answer or just the question. E.g.
#q29, #q27, #q26, #q21, #q14, #q13, #q12 etc