World Geography The heavier silicates named as 'Sima' or silica + magnesium are most abundant in the ocean floors crust mantle core ocean floors crust mantle core ANSWER DOWNLOAD EXAMIANS APP
World Geography The Penumbra is the outer portion of the moon's shadow formed by the tangent that intersects between the sun and the moon both (a) and (b) None of these the outer portion of the moon's shadow formed by the tangent that intersects between the sun and the moon both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
World Geography The percentage of sun's radiation reflected back into space is about None of these 36 percent 47 percent 17 percent None of these 36 percent 47 percent 17 percent ANSWER DOWNLOAD EXAMIANS APP
World Geography The process that creates the deep oceanic trenches is called continental drift isostasy plate tectonics sea floor spreading continental drift isostasy plate tectonics sea floor spreading ANSWER DOWNLOAD EXAMIANS APP
World Geography The ground water that occurs when flow of the subterranean water is not confined by the presence of impermeable layers is called unconfined groundwater aquifer artesian confined groundwater unconfined groundwater aquifer artesian confined groundwater ANSWER DOWNLOAD EXAMIANS APP
World Geography The Palaeozoic era starts at ____ million years ago and ends at ____ million years ago. 470, 225 500, 100 570, 225 470, 150 470, 225 500, 100 570, 225 470, 150 ANSWER DOWNLOAD EXAMIANS APP
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