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.
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