The frontal bone can also be known as the forehead
        
                    
             
        
        
        
Answer:
Both have strong scientific support.
Explanation:
Hope it helps :)
 
        
             
        
        
        
The basic repeating unit of nucleic acids are known as nucleotides
 
        
                    
             
        
        
        
Um, can you please elaborate a little bit more.
        
             
        
        
        
Answer:
The civil year allows us to have an idea of how long our planet has existed.
Explanation:
Calendar year is the 12-month period that corresponds to 365 days of the year, counting from 1 January to 31 December. Geological time, in turn, refers to the didactic organization of the evolution of planet Earth and the forms of life that inhabit or inhabited it. It is an instrument used by Earth's geologists and scientists to analyze and chronologically categorize (through the concept of a civil year) the natural evolution of the world in which we live, in order to better understand its past.
The civil year allows geological time to expose the number of years and days that planet Earth (and its forms of life) are in existence.