Answer:
homozygous
Explanation:
when an individual both copies of a given gene have the same allele
 
        
             
        
        
        
Answer:
B.) an earthquake 
Explanation:
earthquake, volcanoes, tsunamis and landslides are naturally occurring events that can rapidly change earth's surface 
 
        
                    
             
        
        
        
B, reproduce. It is not a living organism if it cannot continue their kind.
        
                    
             
        
        
        
<span>The correct answer is: It is used to synthesize ATP through substrate-level phosphorylation.</span>  
<span>The free energy released as electrons are passed from photosystem II to photosystem I drive pumping of H+ and building a gradient. H+ flow down their gradient and when they pass through ATP synthase, the ATP is produced by substrate-level phosphorylation (ADP+Pi).</span>