cmadriaga14
cmadriaga14 cmadriaga14
  • 10-10-2017
  • Physics
contestada

4) Which of the following gases are typically used for colorful lighting when an electric current is applied ?

a) hydrogen and helium
b) argan and krypton
c) fluorine and chlorine
d) oxygen and nitrogen

please help a shawty out

Respuesta :

Аноним Аноним
  • 10-10-2017
The answer is B. Hope this Helps!
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nathan79 nathan79
  • 10-10-2017
I believe the answer I letter b
Answer Link

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