What makes this diagram a model, and what is the advantage of this type of model to scientific inquiry?

Class diagrams are the most common diagrams used in UML modeling. They represent the static things that exist in your system, their structure, and their interrelationships. ... Object diagrams show the relationships between a set of objects in the system

and i dont know the second  one srry

Explanation:

Class diagrams are the most common diagrams used in UML modeling. They represent the static things that exist in your system, their structure, and their interrelationships. ... Object diagrams show the relationships between a set of objects in the system and the second answer is this Models of scientific inquiry have two functions: first, to provide a descriptive account of how ... Not all explanations in science are of the D-N type, however. ... One result is the development of products and processes that benefit mankind.

Explanation:

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in