Vance is demonstrating conceptual knowledge
Conceptual knowledge is the clear and detailed understanding of principles, concepts, models or theories and the understanding of the linking relationships between them. Conceptual knowledge is acquired by thoughtful, reflective learning, listening, reading, or viewing. From the question, Vance is demonstrating conceptual knowledge because he has the explicit understanding of why rainfall amounts affect different types of vegetation positively and others negatively.
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As the toy car slides down a ramp, its potential energy was transformed into kinetic energy.
The quality of hr claim is not only weak because of she uses an unreliable source, but it could also makes her look bias because she does not acknowledge the other side which makes her claim not thorough enough to be valid.