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: Pediatrics
Which of the following is the principal mode of heat exchange in an infant incubator ? 
Select and explain. 
A. Radiation, B. Evaporation, C. Convection, D. Conduction
C: Convection
Answer: C: Convection 
Explanation: "Convection warmed incubators are being routinely used for thermal regulation of thepremature neonate's ambient air"