In terms of the free enterprise system, what is the drive for the improvement of material well-being?
a) profit motive
b) open opportunity
c) voluntary exchange
d) private property rights

A. profit motive

In the free enterprise system, the profit motive is the drive that motivates for the improvement of material well-being. Basically, this is the main target of business establishments, to earn and gain profit way higher than their invested capital, time and effort.

Idont know which one is right   but i know that c is wrong and a might be wrong

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.