The number of people per square mile is the population density
Climate and their level of agricultural technology
Answer:D&E
Explanation:
Hope this helps :) please mark branilst
The model shows that firms and household benefit from one another! hope this helps :)
Answer:
Barter system had many deficiencies such as
★Lack of double coincidence of wants
★Common measure of value
★Indivisiblity of commodities
★Difficulties of storing wealth
So we don't use barter system anymore