Answer:
Countries trade with each other when, on their own, they do not have the resources, or capacity to satisfy their own needs and wants. By developing and exploiting their domestic scarce resources, countries can produce a surplus, and trade this for the resources they need.
The correct answer is letter C. crust, mantle, core. The three main parts of the geosphere is the crust, mantle, and core. Geosphere refers to the parts or layers of the earth's surface. The three layers mentioned are the chemical layers of the earth.
The number seems to be 1.
5*1 = 5 + 4 = 9.
I think the second one since the largest bar (?) is for infants meaning that the population is mostly 4 year olds. Hopes this helps!
