How can you save the sea from oil and sound polution?
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Why are the girders on the railway bridges fixed at one end only?
What is the difference between Centigrade thermometer and a Reaumer thermometer ?
What is the difference between the atomic theory and the kinetic theory?
assuming friction is negligible, if a lever has a mechanical advantage of 5, how much effort in newtons is needed to lift a 10 newton load?
i am a student of 10th class ,i like science and maths but i score bad in maths.wat shud i take in future...commerce or science?
Explain the Real and Virtual Image ?
laser is an acronym for light amplification by
Tell me why does a tilted gyroscope not fall?
what is the principle used in electromagnetic spectrum?and why there is a necessary of having an electron with unpaired spins?and how the uncertainity principle is used to determine the frequency of an spectral lines ?
Why are morning and evening less warm than noons ?
What is the second law of thermodynamics?
What is the commercial unit of electrical energy ?