If you were looking at a map, and wanted to learn where the area it represents is located on the planet, what ould you look for?
a.) The map legend
b.) Lines of latitude and longitude
c.) Symbols
d.) The map key

This country likely has a high total fertility rate (tfr).

Water flows along the east coast and across the western tropical pacific towards south america, while they both are directed towards that way,  el niño does not directly affect the southern flow of water along the coast. 

2pi more meters because you find the circumference which is 6pi and 4pi and subtract it and you get 2pi