listen I'm only in fourth grade but i think it's a solid.
The smallest building block of a mineral is a atom.
Atom is a smallest building block
An atom is the smallest building block of matter that retains the characteristics of that matter.
An atom is the smallest building block of matter that retains the characteristics of that matter.
An atom is the smallest building block of matter that retains the characteristics of that matter.
DNA
Atoms
The cell.
The smallest building block of life is the electron. It is a negatively charged particle with 1/85000th the mass of a proton or neutron, but the arrangement of electrons determines many characteristics of matter.
Amino acids.
The smallest building block of all living things is 'Cells' This is what makes up, all of us & our DNA. (:
The cell is the building block of all living things; it is the smallest component that all living things need in order to be classified as such.