Answer:
true
Explanation:
the condenser lens is the size of the electron beam and the main objective lens is to focus the beam on the sample 
so that scanning electron microscope have two projector lens 
sorry if its not correct
 
        
             
        
        
        
Answer:
looks, feels, how hard it is, how soft, where it came from
Explanation:
 
        
             
        
        
        
The correct answer is mutualism. The bird feeds off the insects and parasites on the alligator, and the alligator doesn't have to worry about those insects and parasites hurting him anymore.
 
        
                    
             
        
        
        
Answer:
Wetlands can help reduce the damage caused by hurricanes by protecting coasts from storm surges.
Explanation:
Wetlands are found between water bodies and dry land. Hurricanes happen as a result of storm surges from the water body. The wetland helps in absorbing part of the current that is surged and reduces the risk and extent of water erosion experienced which reduces damages caused to lives and properties. Wetlands help in the reduction of the damage caused by hurricanes by protecting coasts from storm surges.