Anurse determines that medications are known by different names. what are the different classifications of names assigned to medications?

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds