i think i have gotten this one
The correct answer is D. DNA.
DNA is an example of a substance which isn't a carcinogen.
These are substances which exposes someone to the risk of cancer. When the body is exposed to these compounds, mutations occur such as uncontrolled cell growth.
This forms tumors which are characteristics of cancerous cells. DNA however isn't an example of a carcinogen.
Read more about Carcinogens here https://brainly.com/question/984334
