Question ID:PT87 S3 Q8 Passage:Astronomer: Conditions in our solar system have probably favored the emergence of life more than conditions in most other solar systems of similar age. Any conceivable form of life depends on the presence of adequate amounts of chemical elements heavier than hydrogen and helium, and our sun has an unusually high abundance of these heavier elements for its age. Stem:Which one of the following most accurately describes the role played in the astronomer's argument by the claim that any conceivable form of life depends on chemical elements heavier than hydrogen and helium? Correct Answer Choice:AChoice A:It is a statement for which no evidence is provided and that is part of the evidence offered for the argument's only conclusion. Choice B:It is a statement for which no evidence is provided and that is offered as support for another statement that in turn is offered as support for the conclusion of the argument as a whole. Choice C:It is a statement for which some evidence is provided and that itself is offered as support for the conclusion of the argument as a whole. Choice D:It is the conclusion of the argument as a whole and is supported by another statement for which support is offered. Choice E:It is one of two conclusions in the argument, neither of which is offered as support for the other.