GENERAL KNOWLEDGE

GK

WORLD ORGANISATIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The most recent and logical concept regarding the origin of ocean basins and continents is that of
A
continental data
B
conventional current
C
plate tectesic
D
cooling process
Explanation: 

Detailed explanation-1: -While the ocean basins lie much lower than sea level, the continents stand high-about 1 km (0.6 mile) above sea level. The physical explanation for this condition is that the continental crust is light and thick while the oceanic crust is dense and thin.

Detailed explanation-2: -The movement of rigid plates on the Earth’s surface, known as plate tectonics, is the cause of these changes. Volcanic eruptions and earthquakes are dramatic hints of the great movements that take place over the vastness of geological time.

There is 1 question to complete.