A comet. It’s a smaller celestial body that’s composed of mainly ice and dust.
        
                    
             
        
        
        
Answer:
Cells are the basic building blocks of all living things. 
Explanation:
The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized function
 
        
             
        
        
        
c.Chromatin in the nucleus condenses.
Prophase is the 1st stage. So in Prophase chromatin don't condence. It occurs at anaphase. 
 
        
             
        
        
        
It does not include a gas phase; although small amounts of phosphoric acid (H3PO4) may make their way into the atmosphere, contributing—in some cases—to acid rain