What is a reasonable inference based on the observation that the chains melt but the X
structures remain solid?

1. The Xs are held together weakly
2. The Xs are held together strongly
3. The chains are held together
weakly
4. The chains are held together
strongly

answer: you could do some invislibe ink.

explanation: i will tell you how to if u answer my question.

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.