DISCUSSION: The Siljan ring was mentioned on lines 40-52. You’ll want to confirm that each wrong answer is mentioned there.
___________
- Lines 42-43.
- Lines 43-44.
- CORRECT. Lines 44-45 disprove this. The ring only appeared 360 million years ago, when a meteorite struck.
- Lines 51-52.
- Lines 45-47.
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