Answer:
B.) an earthquake 
Explanation:
earthquake, volcanoes, tsunamis and landslides are naturally occurring events that can rapidly change earth's surface 
 
        
                    
             
        
        
        
Explanation:
sensory so hard but I will try 
 
        
             
        
        
        
Answer:
Competition between two species happens when both species are using the same resources in an area. This usually happens when a new species moves into the area of the current species. Competition leads to both species being harmed.
Hope this helps! :)
 
        
             
        
        
        
The answer is B. It will increase blood pressure because the heart is contracting faster