Question

. What are several causes of cancer?

Answer 1

* smoking

* tobacco

*sun

* obesity

* lack of excercise

* chronic inflamation

*viruses

Hope this helped

Answer 2

Cancer is caused by accumulated damage to genes. Such changes may be due to chance or to exposure to a cancer causing substance. The substances that cause cancer are called carcinogens. A carcinogen may be a chemical substance, such as certain molecules in tobacco smoke.

Step-by-step explanation: