Hello!
Your answer would be erosion.
Erosion means to "move" sediments through wind, water, etc.
Weathering means to break down something.
Decomposition means to decay.
Hope this helps! Have a amazing day! ~Pooch ♥
 
        
                    
             
        
        
        
Answer: They are responsible for animal migration because the chemicals they contain cause the animals to move to a different environment.
Explanation:
I found this information from https://jeb.biologists.org/content/222/Suppl_1/jeb191890
 
        
             
        
        
        
Answer:
Quite literally Everything