Most parts of russia

are located on fertile farmland
are far from bodies of water
have river systems for transportation
have mild winters

Largest delta in the world. kidhar hai market mein india

Why is immigration so important today?

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?