Climate, Land form/shape and fossils(he was most interested in this)
        
                    
             
        
        
        
It’s called a slump 
Hope this helps :)
        
             
        
        
        
Answer:
A. 
Explanation:
increasing salinity decreases solubility of gas in water, therefore dissolved O2 concentration decreases.
 
        
             
        
        
        
Answer: condition intersex
Explanation: what causes this is unknown, it's been linked to manmade, environmental chemicals that block or mimic sex hormones.
 
        
             
        
        
        
<span>Vertebrates and invertebrates</span>