In the X and Y chromosomes. 50% of your mom's genes are in the X chromosome, and 50% of your dad's in the Y.
        
                    
             
        
        
        
Answer:
The big bang produced an imprint of leftover heat called CMB radiation
Explanation:
CMD is short for Cosmic Microwave Background
 
        
                    
             
        
        
        
Answer:
true
Explanation:
Coal is a non-renewable energy source because it takes millions of years to form.
 
        
             
        
        
        
Mitosis is a process where a single cell divides into two identical daughter cells (cell division). During mitosis one cell? divides once to form two identical cells. The major purpose of mitosis is for growth and to replace worn out cells.