Answer:
Environmental issues, green chemistry, genetics, classification, cells, and energy. Choose anyone
 
        
                    
             
        
        
        
Answer: Literally no clue
Explanation: Give me the points queen :)
 
        
             
        
        
        
<span>Meiosis reduces chromosome number so that sex cells (eggs and sperm) have a half set of chromosomes–one homolog of each pair. This is the haploid number. CONGRATULATIONS! YOU'RE SO SMART!</span>
        
             
        
        
        
Answer: papillary muscle
Chordae tendinae is a connective tissue that used to prevent the heart valve to be flapped away. It like a string that connected into the valve and makes it look like a kite. Papillary muscle is the part that anchoring it to the heart wall.
        
             
        
        
        
A. bind and unwind double helix