The student wants to identify what type of scientist Chaudhuri is. Which choice most effectively uses relevant information from the notes to accomplish this goal?
A
Chalk is a type of sedimentary rock.
B
Some scientists study shale, chalk, and sandstone.
C
There are scientists who study sedimentary rocks.
D
Chaudhuri is a sedimentologist.
Explanation
Correct answer: D.
Choice D is the best answer. The sentence identifies the type of scientist Chaudhuri is, noting that she is a sedimentologist.
Why the other choices are wrong
Choice A
Choice A is incorrect. The sentence provides an example of a type of sedimentary rock; it doesn’t identify what type of scientist Chaudhuri is.
Choice B
Choice B is incorrect. The sentence indicates types of rock that some scientists study; it doesn’t identify what type of scientist Chaudhuri is.
Choice C
Choice C is incorrect. While the sentence states that some scientists study sedimentary rocks, it doesn’t identify Chaudhuri as this type of scientist.