Gce Model Questions Vol1 2023 Geography Question 39
Practice objective / multiple choice question 39 from the 2023 Gce Model Questions Vol1 Geography examination.
A volcanic eruption produced 200 km³ of basaltic lava. Subsequently, 30 % of this basalt was metamorphosed into amphibolite by intrusion of hot magma, while the remaining basalt underwent weathering that removed 10 % of its volume as sediment. (a) What is the total volume of solid rock (basalt + amphibolite) that remains after these processes? (b) What percentage of the original 200 km³ does this represent?
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About This Question
This is Gce Model Questions Vol1 2023 Geography Question 39. It is one of the objective questions from the 2023 Gce Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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