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> sunlight also damages DNA Not when there is a functioning ozone layer.
by thrown_22 4y ago
> sunlight also damages DNA
Not when there is a functioning ozone layer.
- hinkley 4y agoEven with a functioning ozone layer, and magnetosphere. The thing with UV light though is that it also kills surface bacteria and is involved in vitamin D production. It's very like minerals in that way. Not enough kills you, but it's easy to go from too little to way too much.