Kinetic Chemistry[Chalaka Rasaayanaya]-Short Note[New]. This will definitely help to improve your chemistry knowledge and also help to get ready for the advanced level. I hope this will really give you to great experience.
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තාප රසායනය කෙටි සටහන්
A single occipital bone forms the base of the skull, and the frontal bone forms the forehead. The sphenoid and ethmoid bones located to the front of the skull form parts of the orbital sockets and nasal cavity; they also support and protect key organs found in the skull.