The central latitudinal line is the and the central longitudinal line is the

a.
prime meridian; tropic of capricorn
c.
equator; prime meridian
b.
prime meridian; equator
d.
equator; tropic of cancer

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.