Colonization or colonisation
        
             
        
        
        
Answer:
scientists light the leak on fire 
 
        
             
        
        
        
Answer:B
Explanation:bc all of the other ones was equal together and the concentration gradient could not spread them 
 
        
             
        
        
        
Answer:
The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
 
        
                    
             
        
        
        
Surface area affects the function of an organ in the human body...
In our lungs, there are balloon like structures called alveoli.if we spread our lungs it equals to 80m^2. this large surface area allows lungs to take as much as possible oxygen to carrry respiration so that life processes go on.
HOPE IT HELPS YOU '_'