<span>In the cells of the human body,oxygen molecules are used directly in a process that releases energy</span>
        
             
        
        
        
Answer:
- <u>Freezing point: - 1.83ºC</u>
- <u>Boiling point: 100.50ºC</u>
Explanation:
The <em>freezing point</em> and<em> boiling point</em> of solvents, when a solute is added, will change accordingly to the concentration of the solute particles. 
The freezing point will decrease and the boiling point will increase. These are two colligative properties.
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<u>Find attached the file with the whole answer, as the site is not uploading the answer in here.</u>
 
        
             
        
        
        
It's A. 
Chemical properties cannot be determined by viewing or touching substance, and physical properties can be measured without changing the composition of matter:)