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Answer 1

• What is the two sublayers of the core ?

→ The two sublayers of the core are outer core and inner core.

• What is the density of the outer core ?

→ The density of the outer core is about 12.6-13 g/cm³.

• What is the temperature in the outer core ?

→ The temperature in the outer core is between 4500°C to 5500°C.

• In which state is the outer core ?

→ The outer core is in liquid state.

• The outer core extends from how many Kms to how many Kms ?

→ The outer core extends from 2261 Kms to 2890 Kms.

• What is the layer below the outer core known as ?

→ The layer below the outer crust is known as mantle.

• The inner core extends from how many Kms to how many Kms ?

→ The inner core extends from 2200 Kms to 2900 Kms.

• In which state is the inner core ?

→ Inner core exists in solid state.

• What is the density of inner core ?

→ The density of inner core is 12.2g/cm³.

• What is the temperature in the inner core ?

→ The temperature in the inner core is about 5200°C.

• The compound of which elements are found in the core ?

→ The compound of the iron, nickel gold and platinum are found in the core.

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Answer 2

Questions

(i) What are the two sublayers of the core?

(ii) What is the density of the outer core?

(iii) What is the temperature in the outer core?

(iv) In which state is the outer core?

(v) The outer core extends from how many kms to how many kms?

(vi) What is the layer below the outer core known as?

(vii) The inner core extends from how many kms to the depth of how many kms?

(viii) In which state is the inner core?

(ix) What is the density of the inner core?

(x) What is the temperature in the inner core?

(xi) The compound of which elements are found in the core?

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Answers

(i) The two sublayers of the core are the inner core and the outer core.

(ii) The density of the outer core is about 12.6-13 g/cm³.

(iii) The temperature in the outer core ranges from 4,500° and 5,500° Celsius.

(iv) The Earth's outer core is known to be in liquid state.

(v) The outer core extends from 2261 kms to 2890 kms.

(vi) The inner core is present below the outer core.

(vii) The inner core extends from 2200 kms to the depth of 2900 kms.

(ix) The density of the inner core is about 12.2 g/cm³.

(x) The temperature in the inner core is about 5200°C.

(xi) The compounds of gold, nickel, iron, platinum, etc are present in the core.

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