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Proof challenge

Draw a Bloom Diagram

Sketch how a harmful algal bloom forms, spreads and fades. Post a photo of your diagram.

How it works

  1. Join the challenge.
  2. Do the work, then post a public https link or a short write-up as proof.
  3. An entry completes when it's approved or reaches 5 votes from other players. You earn +250 XP and the Finisher badge.

Sponsors

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Entries