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Mumz [18]
3 years ago
12

What substance was responsible for a major ozone depletion in the 1900s?

Biology
1 answer:
Travka [436]3 years ago
7 0
Chlorofluorocarbons was the main substance that depleted the ozone in the 1900s.
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What amino acids do trypsin and chymotrypsin cut at?
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