Answer 
Explanation: As soon as sodium touches your tongue, hydrogen is released with tremendous heat. Most likely an explosion will take place in your mouth. So maybe it won't be a good idea to try it unless thats what you want 
 
        
             
        
        
        
<span><span>1 Corundum
</span><span>2 Topaz
</span><span>3 Quartz
4 </span><span>Orthoclase
</span><span>5 Apatite
6 </span><span>Fluorite
7 </span><span>Calcite
8 </span><span>Gypsum
</span><span>9 Talc
Are all answers to what diamond on a scale of minerals can scratch.
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They are called paleontologists. 
        
                    
             
        
        
        
Answer:
Pallor is caused by vasoconstriction of the dermal blood vessels
Explanation:
Pallor is paleness or wanness usually caused by vasoconstriction of the dermal blood vessels.
In other words. A deficiency in the color of the face.