poor eating and sleeping habits exposure to ultraviolet rays a defect in the person's immune system working with plants and animals
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A patient visits the doctor for a checkup and is diagnosed with skin cancer. Which of the following is the most likely cause of this disease?
Possibilities:
- poor eating and sleeping habits
- exposure to ultraviolet rays
- a defect in the person's immune system
- working with plants and animals

exposure to ultraviolet rays