Describe the nature and mode of origin of the main types of rock at the earth's crust.

The spine toppers built

1. Open

   • Define the key term first
   • Context-hook opening

2. Build

   • Numbered enumeration
   • Directive-mirroring headers
   • Multi-dimensional buckets

3. Close

   • Verdict conclusion
   • Forward-looking close

constructionMoves they converged on

• Numbered enumeration78% of answers

  Enumerate points as a numbered list.

• Example as evidence65% of answers

  Tag a concrete example explicitly as evidence.

• Verdict conclusion57% of answers

  End with a clear verdict.

• Define the key term first49% of answers

  Open by defining the central term.

• Directive-mirroring headers47% of answers

  Headers that mirror the question's directive.

stairsEvidence toppers carried (per answer)