It is a base due to the color change!
Hope this helps!
Mark me brainliest please...
Answer:
IT IS D because lights are heated and it gives light!
Answer is: <span>The general rule of thumb is that the smaller a substance's atoms and the stronger the bonds, the harder the substance will be.
If the distance between atoms is higher, lesser will be attraction between electrons and protons of atoms, smaller distance means stronger atoms attraction.
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You would have to look for the mass of the sample and the volume of the sample.