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Investigation of the effectiveness of sunscreen factors in preventing the damage of growth of V.nat in UV. Light  

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Investigation of the effectiveness of sunscreen factors in preventing the damage of growth of V.nat in UV. Light Planning Stage The Aim In my investigation I will perform an experiment to find out the relationship between the between the growth of bacteria and the amount of ultra violet light it is exposed to. Ultra violet light can be put into 3 categories. There is Ultra violet A light, which is the most dangerous and causes immediate damage, UVB which is also very harmful and penetrates the skin and UVC which has the highest energy and is completely absorbed by the earths ozone layer. Sunscreens currently used in the market have an amalgamation of both physical and chemical sunscreens. Chemical Sunscreen- the agents within the actual cream are absorbed by the skin layers and diffuse the suns rays into harmless ones. Physical Sunscreen- These agents are formed on top of the skin and also diffuse harmful sun rays...

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