What material is the sample cell commonly made of in each type of spectroscopy?.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

the correct answer in apex is tissue development, i know because i just had this question

answer///(c) the maximum number of organisms an environment can support for a long time; i believe this is correct, plz check luck;