You're right. The Upper Mantle is directly under the Crust. Hope this helped! =^-^=
 
        
                    
             
        
        
        
In a cactus, carbon is fixed only during the day. this is because cacti need sunlight to perform photosynthesis. Have a great day :)
        
             
        
        
        
Answer:
The answer is B Each group of three RNA bases codes for an enzyme that connects amino acids.
 
        
             
        
        
        
Answer:
prokaryotes and eukaryotes both have ribosomes 
Explanation:
because both have ribosomes but those ribosomes are not the same kind