The innermost layer is the core with a radius of about ___________ km.
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Limonitic ore is the ore of which metal?
Limonite is one of the two principal iron ores, the other being hematite, and has been mined for the production of iron.
While watching 3D movies at the theater, we have to wear special glasses because?
The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)
If cosecA - cotA = x, then the value of x is
The first colony established by the English in north America was
Jamestown
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Trinitrotoluene is
The largest gland of the human body is