Answer: dry ice is a solid which makes it different from a gas
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Pure oreo would be a mixture 
        
             
        
        
        
Answer:
When you open the bottle, there is a dramatic decrease in pressure over the liquid, so the CO2 starts to leave the liquid very rapidly, causing the mass exodus of gas, or "explosion" of bubbles. This also explains why soda goes flat.
Explanation: HOPE THIS HELPS YOU..
 
        
             
        
        
        
The correct answer is that it is made of atoms that are covalently bonded together. Hope this helps.