Well because it rains everywhere so everywhere gets that water vapor
What are you trying to stab
Flattening a three-dimensional globe onto a flat surface isn't possible without some distortion. Mercator maps distort the shape and relative size of continents, particularly near the poles. Projections also distort distance, direction, scale and area.
Answer: east-west
Explanation: They run east-west and they are supposed to measure the distance between the North and South of the equator