When the seas freeze in-winter, the fish never die why?

1 Answers  

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hmmm by using of our saliva we can produce current?

0 Answers  

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why the air temperature drops more on clear nights than on cloudy nights?

3 Answers  

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While swimming, why do we press the water backward with our arms and hands ?

3 Answers  

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the time period of three pendulums are given in a sequence as a= 1.27s b=0.85s c=0.99s the given sequence may not be correct arrange the time period in a correct sequence

0 Answers  

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Tell me what is radium used for?

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what is Gauge?

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Why is diamond cut to make if brilliant ?

1 Answers  

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what is mariners compass

1 Answers   IIT,

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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 ?

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Mercury thermometer is constructed as shown in Figure The capillary tube has a diameter of 0.004 cm, and the bulb has a diameter of 0.250 cm. neglecting the expansion of the glass, find the change in height of the mercury column that occurs with a temperature change of 30.0 °C.

3 Answers   ITESM,

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What evidence is there supporting the big bang theory?

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