One of the main function of the earth’s ozone layer is to ? EVERYDAY SCIENCE / By admin A Prevent global warming B Filter out ultraviolet rays C Absorb pollution D All of the above Answer Detail No Details comments (0)
A light year is a unit of ? EVERYDAY SCIENCE / By admin A Time B Energy C Length D Mass Answer Detail No Details comments (0)
Basic metals can be converted into gold by ? EVERYDAY SCIENCE / By admin A Heating B Beating C Artificial nuclear radioactivity D Chemical reaction Answer Detail No Details comments (0)
The famous book; Al – Qanun was written by the Muslim scientist ? EVERYDAY SCIENCE / By admin A Jabar bin Hayyan B Zakariya Al - Razi C Abu Ali Sina D Abdul Qasim Majreeti Answer Detail No Details comments (0)
Which of the following elements is not present abundantly in earth’s crust ? EVERYDAY SCIENCE / By admin A Silicon B Radium C Aluminum D Carbon Answer Detail No Details comments (0)
Rectified spirit contains alcohol about ? EVERYDAY SCIENCE / By admin A0.8 B95% C70% D85% Answer Detail No Details comments (0)
Which woody raw material is used for the manufacture of paper pulp? EVERYDAY SCIENCE / By admin A Cotton B Poplar C Bagasse D Rice straw Answer Detail No Details comments (0)
Human population growth is greatest in developing countries because ? EVERYDAY SCIENCE / By admin A the birth rate is high in developing countries B the death rate is high in developing countries. C much of the population has already reached the child bearing age. D most of the world's population lives in industrialized countries. Answer Detail No Details comments (0)
Radioactive isotope of Uranium used in Nuclear Bomb is ? EVERYDAY SCIENCE / By admin A92 U 235 B 92 U 234 C 92 U 233 D 92 U 238 Answer Detail No Details comments (0)
Humming bird belongs to a category called ? EVERYDAY SCIENCE / By admin A Ectotherm B Endotherm C Exotherm D Heterotherm. Answer Detail No Details comments (0)