1-Is this an image of a chemical change?

Question

2-What happens to molecules in each object as they change?

you will see a tobacco leaf as it changes from green to brown

Answer 1

1- Without being able to see the image, I cannot determine whether it shows a chemical change or not.

2- In the case of a tobacco leaf changing from green to brown, the molecules within the leaf undergo changes. These changes can include chemical reactions such as oxidation or degradation of pigments, which result in the color change. Additionally, the molecules may undergo physical changes such as dehydration or breakdown of chlorophyll, leading to the observed shift in color.