Question

oxygen hydrogen nitrogen carbon a. b. c. d. compare and contrast model a with model c. how are they alike. how are they different? 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

Explanation:

Model A has oxygen and another element, while model C has nitrogen and another element. They have different elements. Also, the number of atoms of each element in A and C is not the same, so they have different ratios.

Answer:

C. They are composed of different elements in different ratios