Hello There!
The correct answer is grazing. Option B. 
They are areas with vegetation suitable for animals.
Hope This Helps You!
Good Luck :)
        
                    
             
        
        
        
Renewable resources: Water, air, wildlife, forests, 
Nonrenewable: oil, coal, and metals.
        
             
        
        
        
Answer:
There are an estimated over 10,000 bird species that exist in our world
Explanation:
The most notable types include humming birds, which have incredibly fast heart beats of up to 1,260 beats per minute. 
There are also a group of birds that are flightless and cannot fly, which include Ostriches, which are also the tallest and heaviest living birds. In fact an ostrich is the closest ancestor to a Tyrannosaurus Rex.
Overall, there are many amazing birds out there! Hope this helped a little!