science
Grade-4-
Easy
Question
Outer core is present in ________.
- Liquid state
- Solid state
- Solid and gas state
- Liquid and gas state
Hint:
The outer core of the earth is liquid.
The correct answer is: Liquid state
- The mantle is followed by an outer core layer.
- The outer core is mainly composed of liquid iron and nickel.
- As the pressure in the outer core is less, it remains liquid.
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