Adenosine triphosphate (ATP) is the most important biological molecule that provides chemical energy.
        
             
        
        
        
Answer:
Vaccinations
Explanation:
For example, if a disease has an R0 of 18, a person who has the disease will transmit it to an average of 18 other people. That replication will continue if no one has been vaccinated against the disease or is already immune to it in their community. So if you have (for example) a vaccination then you're less likely to get it, resulting in a lower R0
 
        
             
        
        
        
Answer:
abiotic factors refer to non-living physical and chemical elements in the ecosystem like water, air and sunlight. 
biotic factors are living ot once-living organisms in the ecosystem like humans and animals
basically biotic is alive and abiotic is not alive
 
        
             
        
        
        
Answer:
Tempature and Ph affect enzyme activity the most