Explanation:Research has proven that natural lighting helps people be more productive, happier, healthier and calmer. Natural light has also proven to regulate some disorders including SAD (Seasonal Affective Disorder). ... Exposure to sunlight is the primary method in which people receive a sufficient amount of vitamin D
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Answer: light of course
Explanation:
Answer:light
Explanation:Research has proven that natural lighting helps people be more productive, happier, healthier and calmer. Natural light has also proven to regulate some disorders including SAD (Seasonal Affective Disorder). ... Exposure to sunlight is the primary method in which people receive a sufficient amount of vitamin D