The upstream of a river can be determined by

-the direction of the mouths of the v shapes on contour lines
-which way is south from the map's compass
-examining the highest elevation on the map
-the direction of the points of the v shapes on contour lines

The upstream of a river can be determined by the direction of the points of the V shapes on contour lines. 

Ifound this on google i hope this you “the correct answer is: the czech republic's decision in 2003 to join the european union indicated that the czech republic was willing to forge economic ties with other nations. the european union is a political and economic organism composed by 28 states located mainly in european lands.”

Increased profits reduced health risks