The two-cycle theory regarding the 'origin of limestone caves' was propounded by
W. M. Davis
W. M. Davis proposed the two-cycle theory of limestone-cave formation. Caves first develop by solution below the water table in the phreatic zone. Uplift and lowering of the water table then drain the caves, allowing vadose modification and deposition of stalactites and stalagmites.
The soil ideal for growing cotton is:
Which of the following is Prime Meridian?
Lithosphere consists of