May I ask what book and what are the answer choices?
        
                    
             
        
        
        
No, a preposition is often used to describe where usually following a noun, such as in, on, with, by, and etc.
"But" is a coordinating conjecture. Hope this helps.!
        
             
        
        
        
The correct answer is all navigation near coral reefs, including anchorages and vessel routing that keep their safe distance and frequency at a minimum and respect all laws of utilization of marine resources and safe transit are not a threat to coral reefs. The threats would be excessive and unsafe navigation, abusive utilization of marine resources, pollution and hazardous material spills.
 
        
             
        
        
        
Imagine how the world will be without arts.
Explanation:
Arts is means through which you express yourself through painting or drawing.
 ELEMENTS OF ARTS
elements of arts are the ingredients we use that make the work of art. 
1. form; is a shape of 3 dimensional lines.
 2.texture; is the surface quality of an object.
 3.shape;the enclosure of a line or the outline of an object
 
        
             
        
        
        
Answer: 1. To demand the same rights for women that white men enjoy. 
                2. To justify women's demands for equal rights.
Explanation: I got this right on Edmentum.