Answer:
sensillamente la contaminacion del medio ambiente se presenta por el humano o desastres naturales, la contaminacion es: cuando el medio ambiente esta siendo afectado por alguna razon como el humo de una fabrica o deforestacion lo cual causa la extincion de muchos animales.
Explanation:
 
        
             
        
        
        
Answer:
gravity
Explanation:
streams erode dirt and rocks, transport the sediment, and redeposit it in new locations shaping the earths surface into a system of stream valleys. streams now flow downhill due to the force of gravity
 
        
                    
             
        
        
        
Answer:
tornados, hurricans, fires
Explanation:
 
        
                    
             
        
        
        
New york, new york // los angeles, california // chicago illinois (just did the US)
        
                    
             
        
        
        
Aerial photographs are mostly taken from the air. Aerial photographs try to capture as much of the view as possible.
Your answer is: Air 
Have an amazing day and stay hopeful!