The answer is X Ray
Hope it helps
I can’t see the picture for some reason but if I were to guess, I would say Pangea.
Alpha particles are relatively heave and can be stopped by a sheet of paper.
The arrangement in space and the interatomic distances and angles of the atoms in crystals, usually determined by x-ray diffraction measurements
There is a special temperature for every substance called the melting point. When a solid reaches the temperature of its melting point, it can become a liquid.
