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IELTS AcademicReadingSummary Completion
Level 2 Trap Drill
Can you avoid the examiner's trap?Select an option to evaluate
Passage excerpt: 'Subsurface ice deposits discovered on Mars by the Mars Reconnaissance Orbiter's radar sounder are insulated beneath a mantle of lithic debris and dust measuring one to two meters thick. Planetary geologists conclude that this rocky overburden protects the underlying glacial ice from sublimating into the hyper-arid, low-pressure Martian atmosphere.'
Complete the summary: Glacial ice reserves on Mars are preserved over geological timescales because a surface layer of _______ acts as an insulating shield, preventing the ice from vaporizing directly into the thin atmosphere.
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More Summary Completion Questions in IELTS Academic

Tier 2IELTS Academic

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Tier 3IELTS Academic

Passage excerpt: 'Geochemists analyzing the K-Pg boundary layer across sixty global sites discovered anomalous...

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