CURRENT AFFAIRS

2017

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
According to scientists, a new plate boundary may be forming on the floor of which Ocean
A
Pacific Ocean
B
Indian Ocean
C
Arctic Ocean
D
Atlantic Ocean
Explanation: 

Detailed explanation-1: -Data from 2012 earthquake suggests new plate boundary may be forming in Indian Ocean. (Phys.org)-A team of researchers with members from several institutions in Singapore, France and Indonesia has found evidence of a possible new plate boundary forming on the floor of the Indian Ocean in the Wharton Basin.

Detailed explanation-2: -Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle’s convection currents makes the crust more plastic and less dense. The less-dense material rises, often forming a mountain or elevated area of the seafloor.

Detailed explanation-3: -On the other hand, if two oceanic plates diverged, a mid ocean ridge would form, which is also known as a spreading center.

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