Hi,
Geometry is the branch of mathematics that deals with the properties and relations of points, lines, surfaces, solids, geometric shapes, etc.
Chemistry is basically the study of the composition of matter. In scientific terms, matter is a physical substance in general.
Global is of relating to something whole.
Chemistry has to also do with global warming. The greenhouse effect results in the rise of the atmospheric temperatures which has a global impact.
In the end, geometry, chemistry, and global or whole wide sceneries are just as common as you blink.
Faith xoxo