THE ANSWER IS D : EPIDEMIOLOGIST GOOD LUCK AND HOPE IT HELPS U
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: No
Explanation: Because when you wash your hands you’re getting rid of the germs that would have contact with your food if you chose to not wash them.
A phrase to describe a negative feedback loop could be: self-regulating (though I'm not sure the exact word you're looking for).
Knowing how do the activity over time