PART A: Which sentence from the article is based on a reasoned judgment?
A "Six of the majors are named for the continents embedded within
them, such as the North American, African, and Antarctic plates."
(Paragraph 1)
B "Mount Everest, the highest point on Earth, may be a tiny bit
taller tomorrow than it is today." ( Paragraph 4)
C "At ocean-ocean convergences, one plate usually dives beneath
the other, forming deep trenches like the Mariana Trench in the
North Pacific Ocean, the deepest point on Earth." ( Paragraph 6)
D "These boundaries don't produce spectacular features like
mountains or oceans, but the halting motion often triggers large
earthquakes, such as the 1906 one that devastated San
Francisco." ( Paragraph 9)
PART B: On which piece of evidence is the reasoned judgment in Part
A based?
A scientific theories based on geologic events in the past
B scientists' opinions about geologic events
C descriptions of similar geologic events in the past
D predictions about geologic events made by scientists several
centuries ago