The first option of "friction and air resistance being the reason for him to slow down
<span />
        
             
        
        
        
It’s an informative sentence
        
             
        
        
        
Answer:
The correct answer is D. Forest rangers actively warn campers not to leave food out to avoid attracting unwanted animals in their campsite; Campers should be careful to keep food and garbage securely stored.
 
        
             
        
        
        
C. You can see that the negative aspects are not shown.