Orbital period is the <span> time taken for a given object to make one complete </span>orbit around another object. Mercury orbits the Sun in 88 days. Therefore, Mercury's orbital period is calculated by (88/365.25) or .241 Earth years. Hope this answers the question.
        
                    
             
        
        
        
Answer:
c is just wrong because that is not how evolution works evolution is a small change in the DNA that takes a long time through many many generations not just as you or an organism get older and smarter you are not evolving 
 
        
             
        
        
        
I would think the answer is B.) All species share a common ancestor and that change occurs through time. 
- I've recently went over this again with my teacher. I hope this helps! (:
        
             
        
        
        
Anaphase 1. It’s also the only answer where the chromosomes themselves separate.
        
             
        
        
        
A, B, and C. Luster is the light and how light reflects off of it, right?
So, in that case, a non metallic mineral, (think coal) wouldn’t shine much. A metallic mineral would shine, because it’s metal. And something that’s shiny obviously shines.
Go with A B and C.