Science
What is the opening of a lens, which controls the amount of light?
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What constant is equivalent to 96,485 coulombs per mole of electrons?
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What is caused when the Moon moves into the Earth's shadow?
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What is a machine capable of performing tasks automatically called?
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How many years does it take for Mars to go around the Sun for a complete revolution in its orbit?
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Diabetes develops as the result of a problem with which specific organ in the body?
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