Chapter 1. Explain the evolution of agricultural innovations urban centers, architecture, calendars, and mathematical and literary achievements (Chapter One). According to Acuna.

answer:

that is correct, but there is a fourth one, plasma.

explanation:

plasma is a state of matter that is often thought of as a subset of gases, but the two states behave very differently. but unlike ordinary gases, plasma is made up of atoms in which some or all of the electrons have been stripped away and positively charged nuclei, called ions, roam freely.