Answer: Option A.
Fitness.
Explanation:
Fitness is the survival or reproductive rate in which a genotype or phenotype have the ability to reproduce more successfully or leave offsprings relative to other genotypes or phenotypes. It is the quantitative representation of natural or sexual selection. It is represented by w.
 
        
             
        
        
        
 I believe it’s your head since it has more friction
        
             
        
        
        
Answer:
the right answer is
tRNA bonds with mRNA, bringing in amino acids.
Explanation:
 
        
             
        
        
        
<span>That is provided by the vestibular apparatus, which in each ear includes the utricle,saccule, and three semicircular canals. Hope this helped :)</span>