The answer is Solvent. The reason is in the wording, 'the substance that does the dissolving.' A solvent does the dissolving, a solute is something that can be dissolved. 
 
        
             
        
        
        
The answer would be B.
(V=IR, 12-10i, 12/10=1.2)
        
             
        
        
        
Answer:
 Recall that Earth’s radius is 6.38 × 106 m and Earth’s mass is 5.97 × 1024 kg.
Explanation:
 
        
                    
             
        
        
        
It is C because less than one percent of water is fresh water
        
             
        
        
        
Answer:The greater the amount of water that there is it will take longer for the water to freeze because more heat has to be dissipated into the environment 
Explanation: