Its during REM sleep. hope this helped
        
                    
             
        
        
        
Mutation is the process by which the gene in the nucleotide suddenly changes its position
Any change in the structure of a gen or in the usual DNA sequence of a cell is called mutation. It can be caused by mistakes during cell division when the DNA is copied or by the exposure to DNA damaging agents in the environment like UV light or cigarette smoke, and may be transmitted to subsequent generations.
A mutation is a permanent alteration of the nucleotide sequence of an organism, virus or other genetic elements.
There are three types of mutations:
- Base substitutions
- Deletions
- Insertions
<h3>What is DNA?</h3>
The Deoxyribonucleic acid, also called DNA, is the hereditary material that carries genetic information for the development and functioning of humans and almost all other organisms. DNA is made of nucleotides.
Learn more about DNA at brainly.com/question/16099437
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Answer:
 n = 1,875
Explanation:
The speed of light in vacuum is constant (c) and in a material medium it is
           v = d / t
The refractive index of a material is defined by
          n = c / v
          
Let's look for the speed of light in the material, in general the length that light travels is known, this value is high, x = 1, when we place a block on the road, a small amount is lengthened by the length of the block, which in general is despised
These measurements are made on a digital oscilloscope that allows to stop the signals and measure their differences, that is, the zero is taken when the first ray arrives and the time for the second ray is measured,
          
          v = d / t
          v = 1 / 6.25 10⁻⁹
          v = 1.6 10⁸ m / s
we calculate the refractive index
         n = 3 10⁸ / 1.6 10⁸
         n = 1,875
 
        
             
        
        
        
For number 11, you should say that there is more pollution and fossil fuels being burned.