Item PT016001: The layer beneath earth's plates mostly consists of slightly softened rock.

What is TRUE about the layer directly below earth's plates?

  1. It is mostly solid rock.
  2. It is mostly liquid rock.
  3. It is mostly solid and liquid rock.
  4. It is mostly slightly softened rock.
Distribution of responses
Answer Choice
Overall
Grades
Gender
Language
6–8 9–12 Male Female Primary Language is English Primary Language is not English
A. It is mostly solid rock. 31% 32% 30% 29% 34% 31% 38%
B. It is mostly liquid rock. 33% 30% 38% 37% 30% 34% 24%
C. It is mostly solid and liquid rock. 20% 21% 18% 19% 21% 20% 19%
D. It is mostly slightly softened rock. 15% 17% 13% 15% 16% 15% 19%