2. Which is the best description of specialization? a. Voluntary trade
b. Having many trade relationships
c. Offering free trading
d. Focusing on a range of products that are readily available

D

Explanation:

Specialization is a method of production whereby an entity focuses on the production of a limited scope of goods to gain a greater degree of efficiency.

wetland functions are defined as a process or series of processes that take place within a wetland. these include the storage of water, transformation of nutrients, growth of living matter, and diversity of wetland plants, and they have value for the wetland itself, for surrounding ecosystems, and for people.

explanation:

hope that you to understand!

answer; ///approx///5,000 miles;