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Created page with "==Key Stage 4== ===Meaning=== A '''caldera''' is the ridge around a supervolcano where the cone has collapsed or been destroyed in an eruption."
==Key Stage 4==
===Meaning===
A '''caldera''' is the ridge around a supervolcano where the cone has collapsed or been destroyed in an eruption.
===Meaning===
A '''caldera''' is the ridge around a supervolcano where the cone has collapsed or been destroyed in an eruption.