ऐतिहासिक और पारंपरिक रूप से, आधुनिक मानचित्रों में उत्तर दिशा को मुख्य रूप से ऊपर की ओर क्यों दिखाया जाता है?

Which thematic mapping technique is considered best suited to accurately represent absolute population distribution?

Which map projection is most suitable for representing transcontinental linear features at mid-to-high latitudes, such as the Trans-Siberian Railway?