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Zbignich t1_ja9zbf7 wrote

People also need clothes to protect from harmful solar rays.

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a4mula t1_jaa4bdx wrote

That's a fair assessment, and essential survival can certainly be applied to different scales.

The difference seems to be one of immediacy. You could survive a long time assuming your other needs are met, without protection from the sun.

You cannot survive for long regardless of ulterior needs without protection from the cold.

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