Answer:
1. Ser - to be (permanent)
Yo soy
Tu eres
Él es
Ella es
Nosotros somos
Ustedes son
Ellos son
Ellas son
2. You would use the verb <em>ser</em><em> </em>when referring to or talking about something that's permanent such as the position, the location, action, condition or the emotion of someone or something.
The Mayas built Tikal and had an advanced knowledge of astronomy, giving them the ability to make a calendar.
Cronistas took note of the important events during the Spanish conquest. However, they only consider their own point of view. They are the equivalent of historians and are often appointed. The individuals who have this position were the ones who studied diligently.
in spanish
<span>Los cronistas tomaron nota de los importantes acontecimientos durante la conquista española. Sin embargo, sólo consideran su propio punto de vista. Son el equivalente de historiadores y son a menudo nombrados. Los individuos que tienen esta posición fueron los que estudiaron diligentemente.</span>