1. Science
2. Earth sciences
3. approximately how much of the earths surface is covered by...

# Question: approximately how much of the earths surface is covered by...

###### Question details

Approximately how much of the Earth’s surface is covered by ocean? / What is the average depth of the ocean?

 30% / 30 - 45 km
 90% / 100 - 150 km
 50% / 12 - 15 km
 70% / 4.5 - 5.0 km