(Solved): Figure 1: World Map Earth's total area is roughly 510 million square kilometers ( 197 million squar ...

Figure 1: World Map Earth's total area is roughly 510 million square kilometers ( 197 million square miles). Approximately 360 million square kilometers ( 140 million square miles) of the Earth is covered by oceans and seas. 4. What percentage of the Earth's surface is covered by oceans and seas? (show your work) 5. What percentage of the Earth's surface is dry land? (show your work) 6. Examine the world map (Figure 1). a. Which hemisphere (Northern or Southern) is a "water hemisphere"? b. Which hemisphere (Northern or Southern) is a "land hemisphere"?