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