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Item PT006002: The earth has twelve to fifteen very large plates.

Which of the following is TRUE about the earth?

  1. It has seven very large plates, one for each continent.
  2. It has about twelve to fifteen very large plates.
  3. It has about a hundred very large plates.
  4. It has one very large plate.
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 3170
6–8
n = 2047
9–12
n = 1110
Male
n = 1508
Female
n = 1621
English
n = 2885
Other
n = 216
A. It has seven very large plates, one for each continent. 30% 31% 28% 29% 31% 29% 35%
B. It has about twelve to fifteen very large plates. 40% 38% 43% 42% 39% 41% 27%
C. It has about a hundred very large plates. 23% 23% 22% 23% 23% 23% 23%
D. It has one very large plate. 7% 7% 7% 7% 7% 7% 15%