You don’t have enough information listed in your question to give an answer. For example, what does DE and BC represent? What is your parameters?
Myanmar (Rakhine State), Pakistan, Thailand, Malaysia, India, United States, Indonesia, Nepal, Saudi Arabia, Bangladesh
Use this website it might help some https://sites.google.com/site/earthscienceinmaine/erosion-and-deposition-by-wind
Transfer of heat when the two obejects are touching
I think it is the C one because it depends on the type of construction in the area
