Hello There! ^_^ 
Your question: Oil spills in the ocean affect both the aquatic environment and the ____________.
Your answer: Oil spills in the ocean affect both the aquatic environment and the economy.
The answer is economy.
Hope this helps!
        
                    
             
        
        
        
These examples of different uses of the geographic perspective help explain why geographic study and research is important as we confront many 21st century challenges, including environmental pollution, poverty<span>, </span>hunger<span>, and </span>ethnic<span> or political </span>conflict.
<span>Because the study of geography is so broad, the discipline is typically divided into specialties. At the broadest level, geography is divided into </span>physical geography<span>, </span>human geography<span>, </span>geographic techniques<span>, and </span>regional geography<span>. </span>
        
             
        
        
        
Answer:
a and c I think maybe d too but prob not