Answer:
Explanation:
a ) Total mixture = 4.656 g 
Sand recovered = 2.775 g 
percent composition of sand in the mixture 
= (2.775 g / 4.656 g ) x 100 
= 59.6 % . 
b ) 
Total of sand and salt recovered = 2.775 g + .852 g = 3.627 g .
Total mixture = 4.656 g 
percent recovery = (3.627 / 4.656 ) x 100 
= 77.9 % . 
 
        
             
        
        
        
B. reproduction doesn’t require mate
        
             
        
        
        
Amino Acids- To build proteins. 
Hydrochloric Acids- Help humans digest foods.
        
             
        
        
        
It 1:1 I had an online review and thats the answer it told me it was.
-Hope this helped you
        
                    
             
        
        
        
C) Stars get born, get older, then eventually die.