1. A long time ago, america was an uninhabited continent
A long time ago, america was an uninhabited continent. There were plants, animals, mountains, every thing that exist on earth, except humans.

2. The first habitants of america
PREHISTORY
The first habitants of america

3. Scientists believe that people arrived to America 40 thousand years ago, from Asia passing through Alaska

4. Historians believe that humans appeared in Africa and were gradually spreading throughout the world.

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6. Asia and America were separated by the sea, by the Bering stretch
Asia and America were separated by the sea, by the Bering stretch. In that time the Earth was frozen causing low sea levels, so today’s undersea lands were on the surface then. People cross over these lands to this continent.

7. They came in small groups called nomads
They came in small groups called nomads. They were after some animals, water, better weather and unoccupied lands.