The efficient number of miles for individuals to travel is:
A.	1,000 miles.
B.	1,500 miles.
C.	2,000 miles.
D.	anything over 500 miles.
Answer:B
The efficient number of miles for individuals to travel is:
A.	1,000 miles. B.	1,500 miles. C.	2,000 miles. D.	anything over 500 miles.