alleryWhat rock type predominantly forms the oceanic crust?
ABasaltic rock
BGranitic stone
CSandstone bed
DLimestone layer
Answer & Solution
Correct answer: A. Basaltic rock
Oceanic crust is primarily composed of dense basaltic volcanic rocks.
Keep practising World Geography and Environment
Browse all World Geography and Environment questions for RRB NTPC, or explore more General Awareness topics.
Related questions
RRB NTPC · Climate Change ProtocolsRRB NTPC · Oceans and Earth FeaturesThe ozone layer that absorbs ultraviolet radiation is situated primarily in the:In which atmospheric layer do virtually all clouds and weather phenomena occur?Which gas is the most abundant by volume in Earth's dry atmosphere?Which is the deepest oceanic trench on Earth?Which strait separates the continents of Asia and North America?Which is the largest hot desert in the world?