Answer: the half life of the material is four years
 
        
             
        
        
        
Answer
Facilitated diffusion is the diffusion 
Explanation 
Facilitated diffusion is the diffusion of solutes through transport proteins in the plasma membrane
Hope this helps :-) 
 
        
             
        
        
        
Im gonna answer the ones i stufied in grade5 and back soo question 2 a food web question 4 they break down dead and decaying organic material question7 omnivores
        
             
        
        
        
D, active transport because that protein uses atp to cross channels and active transportation is the only form of movement that’s used atp to move
        
             
        
        
        
Answer:
coevolution
Explanation:
Coevolution refers to the process where two or more species modify each other's evolution via natural selection. Darwin mentioned how insects and flowering plants could coevolve by reciprocal evolutionary modifications. Coevolution has firstly been associated with mutualism between species including, for example, birds and flowering plants. However, coevolution may also involve host-parasite relationships, such as associations involving parasitic organisms and their sexually reproducing hosts. Finally, there are situations where coevolution involves both parasitism and mutualism (i.e., antagonistic coevolution).