diversity among organisms
ault
An Oxidising agent.
The answers are endless
enzymes
Nutrients
An atom could put off ultraviolet light if it was excited by ultraviolet light at the appropriate energy level. Atoms emit light when they are hit with the exact energy of photon to promote electrons to higher orbitals. The light is emitted as the electron drops back to its ground state.
7-Eleven
There are a variety of websites that will list your business and help to promote it. Your best bet would be to use as many as possible to get the most exposure.
UVB exposure induces the production of vitamin D in the skin. The majority of positive health effects relate to this vitamin which has regulatory roles in calcium metabolism (which is vital for normal functioning of the nervous system, as well as for bone growth and maintenance of bone density) immunity, cell proliferation, and blood pressure. Answer from Wikipedia.com, their words, I do not own.
Any substance that is has a low pH value(specially 1-6, any value under 7) would help promote demineralization of the teeth. Substances such as lemon juice, white vinegar and carbonated drinks are highly acidic, having pH value's of 3 or below, meaning that these types of substances will promote the process of deminerlization becasue acidic substances break down tooth enamel, making the teeth weaker and more prone to demineralization.
7- eleven
Intravenous drug use and sexual intercourse with infected partners increases the risks of exposure to most of these infections.