Answer:
Their culture
Explanation:
Culture is the total pattern of customs, ideas, beliefs, art, and technology of a particular group of people or society. It distinguishes the paths through life span of human beings despite having essentially the same biological constitution. It is the way of life of a particular group of people, that is socially transmitted from generation to generation
A heterogeneous mixture composes of non- uniform components, so the concrete would be the answer, because you can tell the components from one another.
DNA. Deoxyribonucleic acid (DNA<span>) is a nucleic acid that contains the genetic instructions for the development and function of </span>living things<span>. All known cellular life and some viruses contain </span>DNA<span>. The main role of </span>DNA<span> in the cell is the long-term storage of information.</span>
They don't use anything. Water and nutrients move through the plants body cell by cell.