why can light from the sun cause skin cancer but the light from a light bulb cannot cause skin cancer?

Damage from UV exposure is cumulative and increases your skin cancer risk over time. While your body can repair some of the DNA damage in skin cells, it can't repair all of it. The unrepaired damage builds up over time and triggers mutations that cause skin cells to multiply rapidly. That can lead to malignant tumors.

there was no answer choices but i think its representative