A)What is the effect of cross-linking on the structure of a material?

Cross-linking is the addition of carbon atoms to metals, intending to make them less flexible.
Cross-linking is the addition of carbon atoms to metals, intending to make them less flexible.

Cross-linking extends the layers of a material, making it longer and more flexible.
Cross-linking extends the layers of a material, making it longer and more flexible.

Cross-linking creates covalent bonds between the layers of a material, making it stronger.
Cross-linking creates covalent bonds between the layers of a material, making it stronger.

Cross-linking removes atoms and combines them to make a new material.

Cross-linking does not remove atoms and combine them to make a new material.