Question

The thickness of Outer Core is -----

• A. 2900-5150 km
• B. 2900-6370 km
• C. None of the above
• D. All of the above

Answer 1

Answer:

A. 2900-5150 km

Outer Core

• Thickness - 2900-5150 km

• Composition: Liquid iron (~85%) and nickel (~10%)

• Temperature: 4,000°C - 5,000°C (7,232°F - 9,032°F)

• Pressure: 1 million times atmospheric pressure

• Density: 9.9 g/cm³

• Radius: approximately 2,250 km (1,399 miles)