Question

ultraviolet lite comes from the sun, tanning beds, and stove tops sumlamps trees lamp shades

Explanation:

Ultraviolet light sources include the sun, tanning beds, and sunlamps (likely "sumlamps" is a typo). Stove tops, trees, and lamp shades do not emit ultraviolet light.

Answer:

sumlamps (assuming "sumlamps" is a typo for "sunlamps")