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: Dental
A most insanitary method that creates public health hazards, nuisance and severe pollution of environment is 
Select and explain. 
A. Incineration, B. Controlled tipping, C. Dumping, D. Composting
C: Dumping
Answer: C: Dumping 
Explanation: None