Fairly sure that would be secondary succession.
        
             
        
        
        
Answer: The sun generates energy from a process called nuclear fusion.
Explanation: I hopes this helps you out.
 
        
             
        
        
        
Oils are generally liquids at room temperature and are obtained from plants.
Hope this helps you;)
        
             
        
        
        
Answer:
The stratospheric ozone layer absorbs ultraviolet (UV) radiation, preventing dangerous UV rays from hitting Earth's surface and harming living organisms. UV rays cannot be seen or felt, but they are very powerful and change the chemical structure of molecules.
Explanation: