Which of the following statement is not correct about Sea floor spreading?
1
volcanic eruptions are common and they bring huge amounts of lava to the surface in the mid-oceanic ridges.
2
The age of the rocks decreases as one moves away from the crest.
3
The ocean crust rocks are much younger than the continental rocks.
4
Hess argued that constant eruptions at the crest of oceanic ridges cause the rupture of the oceanic crust and the new lava wedges into it, pushing the oceanic crust on either side.