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ID number:975400
 
Evaluation:
Published: 03.05.2019.
Language: Latvian
Level: Secondary school
Literature: 1 units
References: Not used
Extract

UV-B starojumu atmosfēra absorbē daļēji.
UV-B starojums cilvēka organismā
iespiežas dziļāk nekā UV-A starojums un
rezultātā veicina ādas novecošanos un
grumbu veidošanos. UV-B starojums ir
tomēr cilvēkam vajadzīgs, jo tas veicina D
vitamīna sintēzi cilvēka organismā.
Ir sauļošanās krēmi, kas vairāk aizsargā no
UV starojuma ar īsāku viļņa garumu un
mazāk aiztur UV-A.…

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