One nanometer is equal to _____________ meters.
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Convex and concave mirrors are examples of?
_________________ through a plane surface is the product of the magnetic flux density normal to the surface and the area of the surface.
Which of the following is used in gunpowder?
Psidium guajava is the scientific name of ___________.
Who proposed five kingdom classification?
Inventor of Instant Noodles was a citizen of which country?
Anti-apartheid activist _______ was imprisoned for 27 years by the South African government in 1962.