Answer:
B
Explanation:
The Krebs cycle fuels the production of ATP, aka energy. Hope I helped :)
 
        
             
        
        
        
Answer:
Explanation:
...then the bird beak changes because the bird beaks are the most vital physical feature that allows birds to catch and devous its prey.
 
        
                    
             
        
        
        
Biology is the study of natural science (nature) and it is important to humans cause we learn about it 
        
             
        
        
        
By the term "condensed", this refers to the density of a state of matter. As a rule of thumb, solids are the most dense because their molecules are very close together. Next is liquids because they flow compared to solids. The least dense are gases. Therefore, a change from a more condensed state to a less condensed state is boiling (liquid to gas).
        
             
        
        
        
Protoplanets are bodies or celestial objects which have the same size as the moon or a bit bigger. These bodies develop to eventually become planets. Therefore, the answer to this item is most likely letter D. outer planets.