Answer:
A
Explanation:
Early groups of hunter gatherers continued to move south. They would eventually settle down in areas such as central america, with civilizations such as the Aztecs and the Mayans.
Group 15 is called the nitrogen group. The first two elements in this group are nonmetals. These are followed by two metalloids and one metal. All the elements in the nitrogen group have five valence electrons, but they vary in their reactivity.
Biological Catalyst's Which are Called Enzymes