Answer:
A. Plants and/or animals relocated or died.
Explanation:
Plants and animals will eventually come back, so that is a short-term effect on the ecosystem. 
Hope this helps! :)
 
        
             
        
        
        
Answer:
Internal Oblique
Explanation: 
Based on location it makes the most sense, hope that helped a bit. 
 
        
             
        
        
        
Answer:
sulfur dioxide remains in the atmosphere for a long time, therefore, rapidly heating up the Earth.
Explanation:
 
        
                    
             
        
        
        
<span>ensuring that the endotracheal tube is secure</span>