The Renaissance began in Italy partly because Italian city-states were wealthy. The answer to your question is A. I hope this is the answer that you are looking for and it comes to your help.
        
             
        
        
        
Someone would take vitamin supplements to be healthy
        
             
        
        
        
<span>Here are the choices: </span>
(a) deletion(b) inversion (c) duplication(d) insertion 
Answer: (d) insertion 
This mutation occurs when (an) additional nucleotide base pair/s attach themselves into an existing DNA strand. This can possibly result to diseases such as cystic fibrosis and myotonic dystrophy. 
        
             
        
        
        
A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled conditions in an experiment.