Answer:
D)Basaltic lava erupted under water
Explanation:
Pillow lavas or the Pillow basalt -
As , these lava are in the shape of pillow , hence are named as pillow lavas .
The characteristic of these lava are the very thick sequences of the discontinuous mass , that are in the shape of pillow .
The composition of these pillow basalt are mainly basaltic .
They are the second layer of the normal crust of the ocean .
Hence , the correct option is ( D ) .
