Answer:
Factors That Allow Life on Earth to Exist:
Proximity to the Sun allowing liquid water. 
The size and composition of Earth as a Rocky Planet. ...
Stability of Earth's atmosphere and chemical composition. ...
The Magnetosphere. ...
Consistency of temperatures on Earth. ...
Diversity of Life. ...
Earth's moon.
Explanation:
 
        
             
        
        
        
 the worker ants lay eggs without mating but the worker ants dont have sperm cells tho
 
        
             
        
        
        
The correct option is C.
Science is a dynamic subject and it changes all the time. In the science field, research is always on going and when new evidence are discovered about a particular topic, the new evidence are usually used to update the scientific information that is already on ground. All the areas of science listed about have enjoyed scientific updates in the recent past.
        
                    
             
        
        
        
The correct answer is B. Prokaryotes do not have a nucleus, while eukaryotes do.