How does trade affect the minerals found in the earth's crust?

Trade affect the minerals found by equalizing the resources in Earth's crust by the process of distribution.  

Explanation:

Trade is the exchange of goods and services among different places. There is no equal distribution of the resources of Earth. The distribution of the natural resources in earth in the subsurface is highly affected by the host of geologic factors.  

Some of the countries have huge deposits of resources whereas the others have very less amount. Some countries may have more deposits of resources than they use.  So with help of trading it can equally distributed which in-turn affects the minerals in the Earth crust.

(4,-2)

explanation:

6x+4y=16

-6x-9y=-6

-5y=10

y=-2

x=4