This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Best method for disposal of refuse where land is available 
Select and explain. 
A. Burial, B. Controlled tipping, C. Manure pit, D. Dumping
B: Controlled tipping
Answer: B: Controlled tipping 
Explanation: None