Multiple choice

Two geologists, Dr. Sushma and Dr. Mitra, have a difference of opinion over the significance of finding Samsonite ore, dating back to the Pregregory era, embedded in a section of Mount Agnes. Dr. Sushma postulates that the presence of Samsonite must have been a result of tremendous volcanic activity in the region, since Samsonite is not indigenous to Agnes. However, since volcanic eruptions contain several other minerals, these too should have been present in the section, yet none were. As a result of this evidence, Dr. Mitra refuses to accept Dr. Sushma's conclusion.
The difference of opinion between the two geologists is based on which one of the following?

  1. The comparative importance of different aspects of the information.

  2. The assumption that Pregregory Samsonite is distinguishable from other minerals.

  3. The potential for using the information about the Samsonite to determine the other minerals indigenous to Mount Agnes.

  4. The presumption that the information from one geologic region is sufficient to confirm a conclusion.

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A Correct answer
Explanation

The two doctors disagree over whether the presence of the Samsonite ore is more important than the absence of the other minerals that should have also been found.