Which of the following describes how joseph paxton designed the crystal palace?
paxton made a barrel vault that required many internal supports
paxton made the iron structure supports visible.
paxton used aluminum for the framework of the building.
paxton used concrete for the foundation.

the neolithic revolution began the era of permanent societies, the reliance on the limited amount of land gave way to political organization and this political organization caused social organization which was divided by amount of property and power.

the neolithic revolution (new stone age) was the first agricultural revolution. it was a gradual change from nomadic hunting and gathering communities and bands to agriculture and settlement. this period is described as a "revolution" because it changed the way of life of communities which made the change.

sentence:

let´s farm and domesticate these animals so we do not be hunting in the woods all the time

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