Pressure decreases as magma rises and pressure from expanding gases forces magma through the pipe and vent
        
                    
             
        
        
        
I think you have it right.
I say this because "C" is mainly an opinion. Not an observed fact like the others.
        
             
        
        
        
Answer:
Land-Augmenting Technological Change: As is known land is inelastic in its supply, therefore, some techniques might help to augment land availability. Thus, the biological, chemical and technical changes introduced in agriculture are referred as land-augmenting technological change. Farmers and others who come in contact with air, water, and soils polluted by chemical fertilizers and pesticides may face negative health consequences, for instance. By impacting components of the ecosystem, these practices affect the health of plants and animals living within the ecosystem with can spark wants and needs for change in technological argriculture.
 
        
             
        
        
        
The answer to your question is,
Response.. or Executing a Response.
-Mabel <3
 
        
                    
             
        
        
        
Sharks' and dolphins' similarities (body shape, fin, and flippers) are analogies — traits that each lineage evolved independently.
Dolphins are mammals, and sharks are fish. ... However, both sharks and dolphins have evolved specific analogous traits — streamlined bodies, dorsal fins, pectoral fins and flippers — to achieve the same goal, which is to swim quickly through the ocean and catch prey.