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if you mean "measure" you can use many things. from inches to meters. sometimes if they are big they are measured in "stories". but the smaller the unit is. the harder it is and longer it takes to measure it
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Pure water is a non conductor of electricity and dilute acids in their aqueous solutions form free ions, which conducts electricity. Thus when we need to electrolyse water, a dilute acid is added to increase its conductivity.
They have the same number of protons
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<em><u>=>A Love wave moves sideways along the surface of the earth in a snake-like motion. Like S waves, Love waves do not move through liquid.</u></em>