Researchers aboard Alvin discovered the presence of hydrothermal vents on the ocean floor.
        
                    
             
        
        
        
Eroding the rock slowly away 
Good Luck :) !
 
        
             
        
        
        
Energy input is required as it is the activation energy needed for a reaction to start.
        
             
        
        
        
Step-by- step-Explanation:
- Archaebacteria are very similar to Bacteria with respect to their cell size,prokaryotic organisation,circular DNA etc.
- Archaebacteria very similar to Gram-positive bacteria on the basis of cell structure.
- Both bacteria and Archaebacteria have several similar Metabolic Pathways.
- Unlike Bacteria Archaebacteria are habitants of extreme climates like hot springs and ice capped continents.
Thus Archaebacteria are much alike to Eubacteria.
 
        
             
        
        
        
Answer:
The 3 would be the following:
A
captive breeding of organisms
E
introduction of invasive species
restoration of degraded land