Skin layers and melanin. Sunburns are caused by exposure to too much ultraviolet (UV) light. UV radiation is a wavelength of sunlight in a range too short for the human eye to see. Ultraviolet A (UVA) and ultraviolet B (UVB) are the two types of solar radiation most responsible for sunburn.Sunlamps and tanning beds also produce UV light and can cause sunburn. Melanin is the dark pigment in the outer layer of skin (epidermis) that gives your skin its normal color.When you're exposed to UV light, your body protects itself by accelerating the production of melanin.ltraviolet A (UVA) and ultraviolet B (UVB) are the two types of solar radiation most responsible for sunburn. Sunlamps and tanning beds also produce UV light and can cause sunburn. Melanin is the dark pigment in the outer layer of skin (epidermis) that gives your skin its normal color.
Anecdotal Records (Observations) An anecdote is an account of an event in a childâs day. The record of this event can be detailed or brief. These short. reports describe, in a factual way, the incident, its context, and what was said or done by the participant(s). In most cases,
pertaining to, resembling, or containing anecdotes: an anecdotal history of jazz. 2. (of the treatment of subject matter in representational art) pertaining to the relationship of figures or to the arrangement of elements in a scene so as to emphasize the story content of a subject. Compare narrative (def 7).