compare and contrast model a with model c. how are they alike? how are they different?\na they are composed…

Brief Explanations:

To compare and contrast models A and C based on the given options, we need to understand the nature of their elemental composition and bond - type differences. Option A indicates different elements in the same ratio, Option B indicates the same elements in different ratios, Option C indicates different elements in different ratios, and Option D indicates the same elements with different bond types. Without further information about the models, we analyze these options conceptually.

Answer:

We need more information about models A and C to determine the correct answer. As it stands, we cannot choose from A. They are composed of different elements in the same ratio, B. They are composed of the same elements in different ratios, C. They are composed of different elements in different ratios, D. They are composed of the same elements but the bond types differ.