PPSC Past Paper Assistant Director Local Govt. & Community Development 2018 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQswhich theory lays down that all matter is composed of discrete units called?A. Combustion theory B. Radioactive theory C. Atomic theory D. Metallic theory Which of the primary component of natural gas?the word Tsunami belongs to which language?
