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@MeltingFast @Geoengin33ring Vitamin D production occurs upon UVB irradiation, and cirrus clouds actually enhance UVB. See e.g. https://t.co/A4B8rYgsFx (read the last sentence). So you'll get more vitamin D. https://t.co/At3hHxMAAf
@MeltingFast @Geoengin33ring Vitamin D production occurs upon UVB irradiation, and cirrus clouds actually enhance UVB. See e.g. https://t.co/A4B8rYgsFx (read the last sentence). So you'll get more vitamin D. https://t.co/At3hHxMAAf