A. A+ B. B+ C. AB+ D. O+ E. None of these
A. Troposphere B. Ionosphere C. Mesosphere D. Stratosphere E. None of these
A. Endobiology B. Exobiology C. Enterobiology D. Neobiology E. Micro biology
A. Carbon B. Gold C. Silver D. Platinum E. None of these
A. Ethnology B. Morphology C. Ethics D. Genetics E. None of these
A. Steel B. Rubber C. Glass D. Sponge E. None of these
A. the birth rate is high in developing countries B. the death rate is high in developing countries. C. much…
A.92 U 235 B.92 U 234 C. 92 U 233 D. 92 U 238
A. electron B. energy quanta C. photon D. positron