BPSC – Combined Competitive Examination · ప్రశ్న 23
The process that continually adds new crust is:
సమాధానం చూపించు & వివరణ
సమాధానం: (C) seafloor spreading
వివరణ
At divergent mid-ocean ridges, seafloor spreading continuously creates new crust (Harry Hess).
- (A) తప్పు
Wrong: subduction destroys crust.
- (B) తప్పు
Wrong: earthquakes do not create crust.
- (C) సరైనది
Correct: magma rising at mid-ocean ridges forms new oceanic crust.
- (D) తప్పు
Wrong: convection drives plates but does not itself add crust.