Environment & Ecology · Environmental Engineering
Arrange the following steps of Municipal Solid Waste (MSW) composting operation in the correct chronological order: 1. Digestion2. Sorting and separation3. Shredding and pulverizing4. Product upgrading
- 12 → 1 → 3 → 4
- 21 → 2 → 3 → 4
- 33 → 2 → 1 → 4
- 42 → 3 → 1 → 4✓
Correct answer
2 → 3 → 1 → 4
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