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
1. True- because scientific theory means that <span>idea supported through research that attempts to explain existing observations or predict new ones.</span>2. False- because a cross-sectional means that its a study that is about different groups.
3. B-<span>An extraneous variable clarifies the relationship between the independent and dependent variables.</span>
He could maybe raise money by doing a fundraiser and then when he reaches his goal he could donate it
<span>Force and leverage help to explain how the body works. Force helps the body to<span> move in space as it acts against the air around it. Leverage helps the body stay</span><span> upright.</span></span>
The correct answer would be "avoiding body piercings and tattoos".
