Answer: Natural Errors
Explanation: Mutagens can erase parts of DNA that then replicate, but is not a mistake made in copying DNA so that's not it. UV Radiation distorts DNA, but is not necessarily a mistake made in copying it. Natural Errors are mutations made by cells when they copy base pairs and ineffectively or for some other reason mutate/do not create the correct DNA, and the failure of cells to correct this is a mutation. This is also known as an error in DNA replication
Answer:
then just close your eyes or start reading something or drink a cup of coffee
Explanation:
-Medium- an agency or means of doing something.
-Technique-a skillful or efficient way of doing or achieving something.
-Proportion- a part, share, or number considered in comparative relation to a whole.
