Answer: (A) Critical thinking
Step-by-step explanation:
Critical thinking is one of the most effective skill and the ability that the Shannon needs during study the geochemist. The critical thinking is the ability of analysis various types of facts and then form the specific judgement about that particular topic.
The critical thinking include self monitoring, disciplining and the self corrective thinking skill. It is one of the effective communication as it include problem solving ability.
Therefore, Option (A) is correct.