Hi
your answer to this response will be 
 Paleontologists study fossils and their relationship to existing plants and animals. The work of these scientists helps us understand both the present and the past. For example, using their knowledge of how fossils are distributed in sediments, paleontologists can help make accurate geological maps. 
so the answer is A) 
i hope this help if i got it wrong im sorry 
have a great evening 
FaithRawlins14
 
        
             
        
        
        
A zone stays the same length, I zone and h zone get shorter
        
             
        
        
        
Answer:the homunculus or, somatic sensory homunculus, is the portion of the sensory cortex which maps and represents our sensory nerves throughout your body
Explanation: Large portions represent our hands, mouth, and tongue. Smaller representation is given to our pinky toe and backside of our knee.
 
        
             
        
        
        
The rate mainly effects the size of the crystals in the rock forming