Answer:
Scientists use the term magma for molten rock that is underground and lava for molten rock that breaks through the Earth's surface.
 
        
                    
             
        
        
        
<span>The answer is 
101.1032 g/mol</span>
        
             
        
        
        
Answer:
95% Copper and 5% Zinc
Explanation:
Easy stuff read in the chemistry book...
 
        
             
        
        
        
<span>Answer: B. Ionic solids have higher melting points than molecular solids.
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This is because the rest are false, as solids are able to melt, and do have melting points. Also, not all solids have the same melting points.