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i want to buid something for science fair?

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gcse chemistry question?

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Do I need some sort of car checkup at 70k miles?

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Help with simple DC motor theory, yr 12 physics!!!!?

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Where do the Cu2+ ions come from to jump on the cathode?

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Roughly, how much does a ball about 5 nano meters in diameter of copper weigh?

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what is the resistance between the ends?

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Physics Resistance Question?

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Physics questions exam coming up and really stuck!!?

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How long (Heat Transfer Physics)?

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FINAL CHEMISTRY EXAM ? PLEASE HELP?

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Final chemistry exam please help?

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Thermal conductivity. Please have quick reply ?????

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Help me solve the following problems in chemistry.?

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Which graph do i use?

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How is gold stored in it's purified form? & In what form is Gold found in nature?

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I Started a new file on Harvest Moon Tree Of Tranquility And my charecter has a small stamina bar?

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removing muriatic acid over copper antiquity?

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What type of metal is in a ebersole piano?

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anyone good with their hands? need to redo a bar.?

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How to deliver 450KW of power?

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is there a way to make burglar bars on windows and doors really look extremely classy.high end designer?

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Chemistry, pressure/mol problem?

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what do you call metal bars?

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magnetic field on insulated busbar?

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Help me make acronyms for the following to learn the ionic table Please help for 10 points!!!!!!!!!!!!!!!!!!!!?

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Can a powerfull magnet disarm clothing security tags?

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HOW TO EARTH SOMETHING IN REAL CIRCUIT?

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Determining Heat Flow?

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in runescape what are the ores, and what do they mix with to make a bar?

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