Ordered set of instructions are those which are written one after the other in a logical sequence. Performing a meaningful or useful task requires a set of ordered instructions.
climate and landforms determine a biome's characteristics by being the deciding factor in what can live and grow there, which in itself, is the biggest determining factor in a biome's ecosystem.
It is often said that electrons give atoms their own peculiar 'personality'. Since potassium has one outer electron/valence electron, it tends to lose it and thus render the atom a cation. Fluorine...