Answer: Ribose is synthesized from glucose and other monosaccharide molecules in living cells by a process known as pentose phosphate pathway. The pentose phosphate pathway is a series of chemical reactions taking place in the cytosol of cells.
 
        
             
        
        
        
The answer could be either B or D. Both are important for marine biology. I would have to say D is the best answer though!
 
        
             
        
        
        
Grains mmsmsmsmamansnsnsss
        
             
        
        
        
Answer: https://www.wwf.org.uk/learn/wildlife/polar-bears#:~:text=Challenges%20affecting%20polar%20bears&text=The%20Arctic%20is%20warming%20about,ice%20to%20raise%20their%20young. 
https://www.carbonbrief.org/polar-bears-and-climate-change-what-does-the-science-say
Explanation: