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The inner and outer cores are together about 3500 km thick, and the core has a very high temperature and pressure. Why is the core also known as NiFe?
  • a)
    Because it is made of nitrogen and ferrous
  • b)
    Because it's made of nickel and ferrous
  • c)
    As it is made of nickel and feroxide
  • d)
    Because it consists of nitrogen and feline
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The inner and outer cores are together about 3500 km thick, and the co...
Unlike the mineral-rich crust and mantle, the core is made almost entirely of metal—specifically, iron and nickel. The shorthand used for the core’s iron-nickel alloys is simply the elements’ chemical symbols—NiFe. 
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The inner and outer cores are together about 3500 km thick, and the co...
The core of the Earth is made up of two parts: the inner core and the outer core. The core is known as NiFe because it is made up of nickel (Ni) and iron (Fe).

Explanation:

Composition of the Core:

The core of the Earth is located at the center of the planet, beneath the mantle. The core is divided into two parts: the inner core and the outer core. The inner core is solid, while the outer core is liquid.

The core is composed of various elements, including iron, nickel, and some lighter elements such as sulfur and oxygen. However, the core is predominantly made up of iron and nickel.

Why NiFe?

The core is known as NiFe because it is primarily composed of nickel and iron.

- Nickel (Ni): Nickel is a silvery-white metal that is ductile and malleable. It is a hard, corrosion-resistant metal that is used in various alloys. Nickel is present in the Earth's crust, but it is more abundant in the core.
- Iron (Fe): Iron is a chemical element that is the most common element on Earth by mass. It is a metal that is used in many applications, such as construction, manufacturing, and transportation. Iron is also abundant in the Earth's crust, but it is more abundant in the core.

The high temperature and pressure in the core cause the nickel and iron to be in a liquid or solid state. The movement of these metals generates the Earth's magnetic field.

Conclusion:

In summary, the core of the Earth is known as NiFe because it is primarily composed of nickel and iron. These metals are in a liquid or solid state due to the high temperature and pressure in the core.
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The inner and outer cores are together about 3500 km thick, and the co...
The core is the innermost layer, divided into the outer core and the inner core.
It is mainly made up of Nickel and Iron, therefore, it is also called nife.
Its radius is about 3500 km and the temperature and pressure of the central core are very high
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The inner and outer cores are together about 3500 km thick, and the core has a very high temperature and pressure. Why is the core also known as NiFe?a)Because it is made of nitrogen and ferrousb)Because its made of nickel and ferrousc)As it is made of nickel and feroxided)Because it consists of nitrogen and felineCorrect answer is option 'B'. Can you explain this answer?
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