Plate Tectonic Theory Is Considered a Unifying Theory Because It

Plate tectonic theory is considered a unifying theory because it

A) explains evidence for a dynamic Earth from a variety of subdisciplines in geology
B) a common belief of a broad spectrum of geologists from different disciplines
C) current explanation for the such earth processes as volcanism and earthquakes
D) is the only theory explaining earth dynamics that hasn't been disproven