Answer:
I'm not sure what the answers are but 
Polar bears begin to eat goose eggs as a way to survive when seals, their usual prey, are not available.
Mountain goats restrict their range to higher altitudes because of warmer low-altitude temperatures.
Snowshoe hares change their fur from white to brown to match their warm summer habitats.
Early humans learn to make tools like flint arrows and knives to help them hunt more efficiently.
if these are your options then the answer is 
C) Snowshoe hares change their fur from white to brown to match their warm summer habitats.
 
        
             
        
        
        
It is called a watershed.
 
        
             
        
        
        
I think the correct answer from the choices listed above is option A. It is the alveoli that is composed of single layer <span>surrounded by a network of capillaries. These are used to allow oxygen and carbon dioxide to move from the lungs to the bloodstream.</span>
        
                    
             
        
        
        
Answer:
Fossil fuels specifically natural gas 
Explanation: