Answer:
As the graph is not provided, lets try to answer the question generally.
Explanation:
Human activities are known to be threatful and harm biodiversity in several ways. 
Humans activities like deforestation results in many species from losing their homes. These species are not able to survive and hence become extinct.
Human activities such as fragmentation cause the genetic diversity to become lowered for organisms of a species. As a result, a disaster such as a disease results in killing all the organisms of a species present in a community.
 
        
             
        
        
        
Water
Weathering and erosion, along with thegravity-driven effect called mass wasting, are the fundamental processes by which rock is broken down and removed, collectively called denudation. The most important agent in both weathering and erosion is water, in both its liquid and solid states.
        
             
        
        
        
Why dont you try asking google or a teacher to help you out?! :D
        
                    
             
        
        
        
It has a affect that harms people and the ocean. It also has a lot of charges