The Electromagnetic Wave Theory of Light
טקסט Storyboard
- Exposure to UV rays can cause premature aging of the skin and signs of sun damage
- such as wrinkles, leathery skin, liver spots, actinic keratosis, and solar elastosis
- Such as?
- WOW that's a lot of information.. thanks Cilla
- UV rays can also cause eye problems.
- NICE! i guess it's not that bad after all.
- But even it has a bad effect it also has a good effect because When your skin is exposed to sunlight, it manufactures vitamin D
- here now that you know what bad effects UV light can cause wear this sunglasses and put some of this sunblock.
נוצרו מעל 30 מיליון לוחות סיפור