Waec Model Questions Vol1 2017 Geography Question 25
Practice objective / multiple choice question 25 from the 2017 Waec Model Questions Vol1 Geography examination.
In a region the original rock‑type distribution is 40 % igneous, 35 % sedimentary and 25 % metamorphic. Due to tectonic processes, 10 % of the igneous rocks are metamorphosed into metamorphic rocks, and 5 % of the sedimentary rocks are transformed into igneous rocks. What is the new percentage of metamorphic rocks in the region (to the nearest whole percent)?
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About This Question
This is Waec Model Questions Vol1 2017 Geography Question 25. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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