The cytoplasm splits in two and the cell divides
        
                    
             
        
        
        
Answer:
Some important rules of light are:
- the incident ray,normal ray and the reflected ray lie in the same point.
- angle of incidence is equal to angle of reflection<u>.</u>
<u>.The Angle When It Leaves Is Larger Than The Angle When It Hits. The Angle Is Smaller In The Medium That Has The Higher Index Of Refraction.</u>
 
        
                    
             
        
        
        
Hello, Christylucia96!! Your best answer would be C - Stellar evolution. Nuclear fusion is what powers the stars. Nebular clouds are a bunch of stars, also where they are born. Stellar means star and evolution means changes throughout time. The Big Bang Theory states that space began with a few stars and an explosion happened, which created a bunch of different stars that we have today. I hope I helped!! Have a great evening!!
 
        
                    
             
        
        
        
Answer:
 Ecological scientists study organism-environment interactions across ecosystems of all sizes, ranging from microbial communities to the Earth as a whole. In its life and reproduction, every organism is shaped by, and in turn shapes, its environment.
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Answer:
No; only a small percentage of mutations cause genetic disorders—most have no impact on health or development.