Water drawn from a reservoir is sent to the water works, where purification stage 1 occurs and is then followed by stage 2. What are stage 1 and stage 2?
- Aprocess 1: chlorination; process 2: filtration
- Bprocess 1: filtration; process 2: chlorination
- Cprocess 1: fractional distillation; process 2: filtration
- Dprocess 1: filtration; process 2: fractional distillation