Question

our ability to understand chemistry at all is a direct result of the ______ that scientists, like berzelius & pauling, provided. models diagrams pictures graphs rewatch

Explanation:

In chemistry, models (such as Berzelius' work on chemical symbols and Pauling's models in chemical bonding) are fundamental for understanding chemical concepts. Diagrams, pictures, and graphs are more specific visual or data - representation tools. Models are a broader and more fundamental contribution for understanding the subject.

Answer:

models