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Samben

physical

In a cathode ray tube,the number of electrons that reach the fluorescent screen is controlled by the 1.anode 2.cathode 3.deflecting plate 4grid
18:09 Fri 10th Jun 2005
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Biology

A clear cut example mutualism is found in cows or lichens?
18:37 Mon 16th May 2005
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physical science

Electrons are emitted from a conductor when the conductor is 1.exposed to weak light 2.cooled rapidly 3.bombarded by high speed electron. 4.subjected to a small voltage
19:49 Sun 15th May 2005

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