Answer: The answer would be A.
Explenation:
<em>Chemical weathering is the breakdown of rocks, soils, and minerals through atmospheric or biologically produced chemicals.</em> 
 
        
             
        
        
        
Answer:
In autoimmune diseases, such as lupus, multiple sclerosis and rheumatoid arthritis, people produce antibodies that stick to their body's own proteins and attack healthy cells.
Explanation:
 
        
             
        
        
        
Answer:
Pushing the diaphragm causes air to flow out of the lungs, which pushes the blockage out.
Explanation:
 
        
                    
             
        
        
        
Answer: It may cause the bacteria to become resistant to them and one they are resistant then the antibiotics are ineffective against the bacteria. It is then more dangerous since new antibiotics will need time.
Explanation:
 
        
                    
             
        
        
        
Stored energy. Also this should have been listed under physics lol