Pillow Basalts,shown Below,attain Their Distinctive Blob-Like Shapes Because Their Parent

Multiple Choice

Pillow basalts,shown below,attain their distinctive blob-like shapes because their parent lavas do not travel far prior to solidification.This is because the parent lavas ____________.

A) are completely devoid of volatiles and thus travel slowly
B) erupt underwater and thus cool very quickly
C) are highly felsic and thus travel slowly
D) are ultramafic and thus freeze at exceptionally high temperatures