one fable-low hijack cell
pair oxidation / rust
envelope en_slash_q
ordering AB
effort low
English with slash + question mark — '{X}/{Y}?'
verdictpicked rust (second-offered)
· classifierB
· tiernone
response (200 chars)
Could mean two things — quick take on both:
**Chemical rust (iron oxidation):**
- Rust is iron oxide, formed when iron reacts with oxygen and water: 4Fe + 3O₂ + 6H₂O → 4Fe(OH)₃ (which dehydrates to F
neighbors