Why are elements calledthe building blocks of matter? a. they stack up nicely. b. they make-up all matter. c. they make-up most of the matter around us.

Answer: because elements make up all matterexplanation: elements are composed of matter, and without those elements, you would not have most of the things that we have today.take for example, sodium. sodium has mass and weight, correct? anything that has mass and takes up space is matter. so, by that statement, elements are considered the building blocks of matter because they have mass and take up space.