Untitled, Larger Populations Triggered Stone Age Learning

Larger Populations Triggered Stone Age Learning

Larger Populations Triggered Stone Age Learning by Christopher Joyce

1.what happen when people come in contact with other groups?

2.what didi scientist think was the reason for more innovations in the past?

3.why did people trade ideas and goods when people come in contact with other groups in the past?

Vcocabulary

1.threshold : NOUN] The threshold of a building or room is the floor in doorway A threshold is an amount, level.

2. strum : [VERB] If you strum a stringed instrument such as a guitar.

Strum is also a noun

3. sophisticated : [ADJ] A sophisticated machine, device, or method is more advanced or complex than others.