Puberty or a more specific aspect of puberty
        
             
        
        
        
Answer:
im so sorry this is so late but i hope i can still help.... its the 3rd one
Explanation:
 
        
             
        
        
        
<span>A. abiotic component</span>
An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system.   
        
                    
             
        
        
        
Answer: It's an air borne virus resulting in SARS-CoV-2.
 
        
                    
             
        
        
        
Microbes as they tend to produce rapidly on a surface of other microbes such as bacteria and fungi.