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Crucigrama Sopa de Letras Hoja de Trabajo
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Ch. 1 Lesson 3

Horizontales
The characteristics of the land
A person who hunts, gathers food, and moves from place to place to survive
A period in history when hunter gatherers learned to farm and raise animals for food.
The place where an organism lives
To produce in large quantities using machines
Verticales
Another word for farming
Anything added to the environment that is harmful to living things
A period in history when humans started using machines to produce food and other products
The scientific name for modern humans
A repeating pattern