Answer:
compass, ship sailing,speculating by use of maps where one could possibly go to at least explore the unseen, and literature currently written about others travels in new or unknown , areas. once read about the area could conceptually be explored the thing is tools needed compass , and navigation knowledge.
 
        
             
        
        
        
The first astronomer to state the fundamental laws of planetary motion, Kelper was also known for his works in geometry, optics and philosophy.
        
                    
             
        
        
        
I think the best answer from the choices listed above is option D. It is at dry that physical weathering most likely to happen. Hope this answers the question. Have a nice day. 
        
             
        
        
        
Answer:
I believe its 2, good luck 
 
        
                    
             
        
        
        
I’m pretty sure it’s 1 and 3