Gce Model Questions Vol1 2021 Geography Question 39
Practice objective / multiple choice question 39 from the 2021 Gce Model Questions Vol1 Geography examination.
In a landscape the initial rock‑type distribution is 60 % igneous, 30 % metamorphic and 10 % sedimentary. Over a geological interval the following transformations occur:\n\n* 20 % of the igneous rock weathers to become sedimentary,\n* 15 % of the metamorphic rock weathers to become sedimentary,\n* 5 % of the sedimentary rock is metamorphosed.\n\nAssuming the transformations happen sequentially in the order listed, what percentage of the total rock mass is sedimentary at the end of the interval? Give your answer to one decimal place.
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About This Question
This is Gce Model Questions Vol1 2021 Geography Question 39. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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