The answers, respectively, are:
resting potential; action potential.
        
             
        
        
        
Answer: Deforestation is a Major limiting factor for trees in forest.
Explanation:
Other then deforestation there are many related factors such as; due to deforestation there is lack of rainfall and in return less rainfall results in plant shrinkage due to lack of water.
 
        
             
        
        
        
The answer is D because they speard apart or interact in all boundaries.
        
             
        
        
        
The S wave penetrate the interior of he earth
shake the ground perpendicular to the direction in which they are propageting.
It does not travel through liquids.
1.7 times slower than P waves