Answer: D) Tree roots improve soil water retention
There are many reasons which states that deforestation increases the risk of flood. First   , some water stay on the leaves and evaporates in to the atmosphere. Second, tree leaves reduce the impact of raindrops on the soil which causes less soil erosion.
Third, tree roots absorb water from the soil, which make the soil dry and it absorb more water rainwater. The roots of tree hold the soil in place and reduce the movement of sediment which reduce the capacity of river to break its banking. Thus, reducing the chances of flood. 
 
        
                    
             
        
        
        
Answer:
 3 one 
Explanation:
 chloroplasts 
is located inside the cells 
 
        
                    
             
        
        
        
Answer:
If the type of food available changes, then the frequency of beak also changes.