World Geography The heavier silicates named as 'Sima' or silica + magnesium are most abundant in the ocean floors core mantle crust ocean floors core mantle crust ANSWER DOWNLOAD EXAMIANS APP
World Geography Which instrument is used to measure atmospheric pressure? Hygrometer Barometer Wind vane Thermometer Hygrometer Barometer Wind vane Thermometer ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The force exerted on the surface by the column of air above it is called atmospheric pressure or air pressure. It is measured by means of an instrument called barometer.
World Geography The most notable example of a tectonic valley is that of the plains of Aksai Chin Doon valley Kashmir valley None of these plains of Aksai Chin Doon valley Kashmir valley None of these ANSWER DOWNLOAD EXAMIANS APP
World Geography The periodic rise and fall of the sea level on the earth, gives rise to tides. This is related to infrared rays from the sun ultraviolet rays from the sun the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun None of these infrared rays from the sun ultraviolet rays from the sun the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun None of these ANSWER DOWNLOAD EXAMIANS APP
World Geography The hazards of radiation belts include adverse effect on living organisms deterioration of electronic circuits damage of solar cells of spacecraft All of these adverse effect on living organisms deterioration of electronic circuits damage of solar cells of spacecraft All of these ANSWER DOWNLOAD EXAMIANS APP
World Geography The tropical cyclones with maximum sustained surface winds of 33 ms are called None of these tropical storms hurricane tropical depressions None of these tropical storms hurricane tropical depressions ANSWER DOWNLOAD EXAMIANS APP
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