How far does the mid-ocean ridge extend?
choose one

a-to the north atlantic

b-across the entire atlantic

c-to the south pacific

d-around the globe

C. naturally in the environment

Answer (datum point);

It would be anywhere in the north pole so antarctica or above canada

The second one. this is because the crust is thin, while the mantle is the thickest layer. also, the core is the highest in temperature because of all the pressure from the other layers, so it's solid iron and nickel.