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Due to planktons small size and inability to defend themselves.

No... Because they have way more sp than us! I wrote a blog about this. Would u resteem it? https://steemit.com/steemit/@mango-juice/is-hf20-killing-planktons-and-newcomers-my-opinion-please-share-your-thoughts-820512d806419 tell me if i have to do something!

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