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Item WE016004: Both the growth of plant roots and the freezing of water can break off pieces of rock from earth’s solid rock layer.

Which of the following can cause pieces of rock to break off from earth's solid rock layer?

  1. Both the growth of plant roots and the freezing of water can break off pieces of rock from earth’s solid rock layer.
  2. The growth of plant roots can break off pieces of rock from earth’s solid rock layer, but the freezing of water cannot.
  3. The freezing of water can break off pieces of rock from earth’s solid rock layer, but the growth of plant roots cannot.
  4. Neither the freezing of water nor the growth of plant roots can break off pieces of rock from earth’s solid rock layer.
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 466
6–8
n = 271
9–12
n = 195
Male
n = 221
Female
n = 237
English
n = 407
Other
n = 42
A. Both the growth of plant roots and the freezing of water can break off pieces of rock from earth’s solid rock layer. 52% 48% 57% 49% 54% 53% 43%
B. The growth of plant roots can break off pieces of rock from earth’s solid rock layer, but the freezing of water cannot. 17% 16% 18% 21% 13% 17% 19%
C. The freezing of water can break off pieces of rock from earth’s solid rock layer, but the growth of plant roots cannot. 23% 27% 18% 23% 23% 22% 31%
D. Neither the freezing of water nor the growth of plant roots can break off pieces of rock from earth’s solid rock layer. 8% 9% 7% 6% 9% 8% 7%