Theres the shoot system and the root system 
the shoot system is above ground and includes the plants organs which are the leaves,stem,buds and flowers
The root system is below ground and includes roots as well as modified stem structures such as tubers and rhizomes
        
                    
             
        
        
        
It is A , d , and c . I can bet my last bagel bite
        
             
        
        
        
Answer:
The presence of ozone enabled organisms to develop and live on the land. Ozone played a significant role in the evolution of life on Earth, and allows life as we presently know it to exist. These atoms combined with remaining oxygen (O2) to form ozone (O3) molecules, which are very effective at absorbing UV rays which could be injurious to organism existence
Explanation:
 
        
             
        
        
        
The milky way is your answer