Answer:
No tilling agriculture.
Explanation:
No tilling farming is a type of agricultural practice where new crops are grown without spreading the soil through the tillage. This is a very age old practice used by farmers to replant new crops. 
The advantages of using thus technique are many. It helps to kill hundreds of insects, it also helps in protecting the soil by leaving crop residue, apart from this is increases the irrigation productivity. Which is why farmers prefer no tilling agriculture mainly because the long term benefits of this technique are many. 
 
        
             
        
        
        
If the presence or absence of a factor limits the growth of the ecosystems elements, it is called a limiting factor . There are several abiotic factors that limit ecosystem growth, including temperature, precipitation, sunlight, soil configuration, and soil nutrients
        
                    
             
        
        
        
The attached body form of Cnidarians would be polyp
        
             
        
        
        
Answer:
ATP, Carbon dioxide, and water!
Hope this helps!! :)