What are the characteristics of dead stars?

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What is Amphoteric ?

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Which atomic model did erwin schrodinger create?

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Explain the Dew Point ?

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Giraffe in Arabic means "the highest of all." The height of a giraffe is an average of 5 m, its mass is about 800 kg and hooves is an area of approximately 625 cm2. Using a straw from a material nedeformabil a giraffe trying to drink water from a lake, not to condescend. What is the ratio of the minimum pressure to be applied giraffe, mouth, at the end paiului to drink water and pressure of giraffe on the ground. The density of water. g = 10 m/s2

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What is loudness of sound?

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Explain what is optical medium?

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Why the objects which ate perfect reflectors or transparent, not so easily visible ?

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Why is battery used in a motor car ?

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Explain what is a newton meter?

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What is Concave lens ?

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Explain how do you separate hydrogen and oxygen gases in industrial electrolysis of water process?

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