Answer: G with C
Explanation: G (Guanine) and C (cytosine) always binds together as well as (Adenine) and T (thymine).
 
        
                    
             
        
        
        
It could possibly cause a deformation or oddity in the muscle. It is unlikely that this would be visible but it could cause many issues in the tissue of said muscle.
 
        
             
        
        
        
Answer:
The answer is option D "Machines have replaced much of the manual labor once needed to run a farm."
Explanation:
* Progress in Engineering: This simply means how technological machines like heavy tractors which are now used and are helpful in farming are  evolving, meaning they are being used in a larger quantity now.
* Natural Environment: This is the normal way of life or doing things which individuals find themselves practicing in a particular society and at a particular point in time.
* As a result of the machines being developed as an Engineering progress which serves the work of people on the farms, there tends to be less manual labor that would be initially required to run a farm. The machines are now serving the work of human beings (laborers) now.
 
        
             
        
        
        
I would say the best answer would be Fatty tissue because the epidermis is the outer layer of skin and the dermis is under this epidermis but it is the connective tissue. Let me know if that's right then. 
~Keaura/Cendall