Chemistry nam Chemistry!!!
PRASANNA BADDEWITHANA SIR ma thamai.
chemisry wala hama thanama niyamekama karanawa. man giye sir gawata. physics aul una nisa aye karanawa.me sare rev yanneth sir gawamai. me sarenam sirama sira. wishwasen kiyanne.
lankawe wadima chem A thiyenne baddewithana...