The answer is letter D.) the components of a cell
Environmental science is an interdisciplinary field that studies the interactions of the environment. The component of a cell can be studied through the lens of biology and may not require addition disciplines.
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The Answer is the Intertidal Zone
 
        
                    
             
        
        
        
Starfish has a endoskeleton
a coral has a exoskeleton 
sponge has neither
        
                    
             
        
        
        
A seismometer is used to measure the motion in the ground caused by earthquakes, volcanoes, or explosives.
        
             
        
        
        
Both are hard structures that reduce erosion causes by waves.