# contrast the outer core and the inner core of the earth 3 characteristics of it​

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## Tanong

contrast the outer core and the inner core of the earth 3 characteristics of it​

### Mga sagot sa #1 sa Tanong: contrast the outer core and the inner core of the earth 3 characteristics of it​

Explanation:

At the planet’s center lies a dense metallic core. Scientists know that the core is metal because:

The density of Earth’s surface layers is much less than the overall density of the planet, as calculated from the planet’s rotation. If the surface layers are less dense than average, then the interior must be denser than average. Calculations indicate that the core is about 85% iron metal with nickel metal making up much of the remaining 15%.

Metallic meteorites are thought to be representative of the core. The 85% iron/15% nickel calculation above is also seen in metallic meteorites (Figure 1).

If Earth’s core were not metal, the planet would not have a magnetic field. Metals such as iron are magnetic, but rock, which makes up the mantle and crust, is not.

Scientists know that the outer core is liquid and the inner core is solid

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