Sled runners e stone tool: o que têm em comum

1. Passo 1. Sled runners — faz parte de — Sledge. They glide over the snow.
2. Passo 2. Sledge — evoluiu para — Carro. The wheeled cart replaced drag sledges and sleds.
3. Passo 3. Carro — utiliza — Horse collar. The horse collar let horses pull heavy carts.
4. Passo 4. Horse collar — é utilizado em — Plough. The horse collar made ploughing with horses possible.
5. Passo 5. Plough — evoluiu de — Hoe. The plough mechanized loosening the soil with a hoe.
6. Passo 6. Hoe — evoluiu de — Stone tool. Neolithic hoes of stone and antler.

Abrir Evothings