GEO 125

Physical Geography

Distribution of Land and Water

Relative distribution of land and water

• Land area (53.6 million square miles or 30% of total area)
• Water area (139.1 million square miles or 70% of total area)

Relative size of the continents (listed below from largest to smallest)

• Asia
• Africa
• North America
• South America
• Antarctica
• Europe
• Austraila

Size of the oceans (listed below from largest to smallest)

• Pacific
• Atlantic
• Indian
• Artic

Land and water hemispheres

• Northern hemisphere as the "land hemisphere"
• Southern hemisphere as the "water hemisphere"

Variations in the surface configuration of the earth

• Concept of mean-sea-level
• Highest elevation of the land
• Deepest depth of the oceans
• Average elevation of the land
• Average depth of the oceans
• Average elevation of the earth

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