Which statement best characterizes an economic impact of smartphone development? ( 1 point )
A.) The mining of rare-earth elements is currently centered in the U.S., giving the country an economic advantage in the global marketplace.
B.) The mining of rare-earth elements is currently centered in China, which poses an economic risk to other countries.
C.) The production of smartphones is inexpensive and does not have a far-reaching economic impact.
D.) Smartphone development is eliminating mining jobs in many parts of the world.