Answer:
food, water, transportation, bathing
"hope this helps"
Explanation:
Answer:
I think twice the size of Olympic park
I don't know your options, but there is one clear cause and effect relationship between the two:
As the agricultural methods advanced, people were more productive creating food. This means that not everyone had to engage in farming! And this allowed specialization for other jobs, just as smiths, which typically live in the cities.
Answer:
Silk Roads, Sea Roads, and Sand Roads?
Explanation:
The desire of elites for hard-to-find luxury items
from distant parts of the Eurasian network, as well as
the accumulation of wealth, especially among
merchants who participated in the trade, motivated
long-distance commerce. Sustaining the commerce were the support of empires and smaller states that benefited directly from the trade; the spread of religious traditions, including Islam and Buddhism, that through shared beliefs tied merchants and sometimes whole societies together over wide regions; and the development of technologies like larger ships and the magnetic compass.
1. Inner core
Made of solid iron about 1,200 km thick. temperature is about 7,000 degrees Celsius.
2. Outer core
Very dense liquid of iron and sulphur about 2,250 km thick. Temperature is about 4,000 degrees Celsius.
3. Lower Mantle
Solid rock about 2,200 km thick. Temperature is about 3,000 degrees Celsius.
4. Upper Mantle
Solid rock about 720 km thick that flows from plasticity. Temperature is about 850 degrees Celsius
5. Crust
Plates that average bout 30km in thickness and 25 degrees Celsius in temperature.