The answer is reflection.
The drawing is simple but illustrates the concept beautifully.
<span>The basic building block of life is molecules, more specifically macromolecules. There are four different macromolecules which could all be described as the building blocks of life, namely carbohydrates, proteins, nucleic acids and proteins. </span>
In the modern model of the atoms over 99.9℅ of the atom is made up of empty space
