Which wave has high enough energy to cause damage to skin and sometimes cancer?

All UV can have harmful effects on biological matter (such as causing cancers) with the highest energies causing the most damage.

Explanation:

they start with the same

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.