World Geography The major events of Pre-Cambrian era include formation of crust, birth of oldest known rock, origin of life formation of present day atmosphere All of these formation of crust, continents and oceans formation of crust, birth of oldest known rock, origin of life formation of present day atmosphere All of these formation of crust, continents and oceans ANSWER DOWNLOAD EXAMIANS APP
World Geography The reaction between compounds and oxygen is called solution hydrolysis oxidation carbonation solution hydrolysis oxidation carbonation ANSWER DOWNLOAD EXAMIANS APP
World Geography Who put forward the Gaseous Hypothesis theory of origin of earth? Chamberlin Kant Laplace James Jeans Chamberlin Kant Laplace James Jeans ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Kant put forward his gaseous hypothesis theory in 1755. This theory was based on Newton’s law of Gravitation.
World Geography Which among the following statements is/are correct about Density of ocean water?Salinity is inversely related to seawater density.Seawater density decreases with increasing salinity and vice versa.Select the correct code from the options given below: Neither 1 & 2 Both 1 & 2 Only 1 Only 2 Neither 1 & 2 Both 1 & 2 Only 1 Only 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Salinity is directly positively related to seawater density.On an average, seawater density increases with increasing salinity and vice versa.E.g. Density of pure water is 1.00 g/cm3 and density of water with 35% salinity is 1.028 g/cm3.
World Geography The largest part of our hydrosphere is Indian Ocean Pacific ocean Antarctica ocean Atlantic Ocean Indian Ocean Pacific ocean Antarctica ocean Atlantic Ocean ANSWER DOWNLOAD EXAMIANS APP
World Geography The most well known member of halick group is Hematite Halite Galena Pyrite Hematite Halite Galena Pyrite ANSWER DOWNLOAD EXAMIANS APP