The period of time when the change of temperature made the Earth go frozen in many areas, is called __________________.

• First Settlers

• Ice Ages

• Global Warming

According to the theory, the First Settlers that arrived to America came from:

• Asia

• Europe

• Africa

They crossed through an area called:

• Bermount Strait

• Bering Bridge

• Bering Strait

One of the reasons for people to cross to America was because they were looking for?

• better views

• better weather

• better water

People that move from one place to another without having a settled place to live are called:

• sedentaries

• nomads

• wrestless

Observation led the olden cultures to understand how to plant seeds so they could grow food was the beginning of:

• a new season

• agricutlure

• nomads

After being able to learn how to grow food and discovering agriculture, people became:

• sedentaries

• nomads

• wrestless

What other activity allowed people to became sedentary?

• the view

• decorating houses

• domesticating animals

After becoming sedentary, people started exchanging products. This allowed ______________ to start.

• cooking

• commerce

• agriculture

The three areas in which Mexico's ancient civilizations existed:

• Mesoamerica, Temperamerica, and Oasisamerica

• Desertamerica, Oasisamerica, and Mesoamerica

• Aridoamerica, Oasisamerica, and Mesoamerica