Explain the physics https://t.co/0u45dqobYG https://video.twimg.com/ext_tw_video/1808535306683174914/pu/vid/avc1/720x1280/pDlLZ3nVxcMfX-si.mp4?tag=12
Metabolic energy pumps air to displace water from a bucket. The weight of the surrounding water increases relative to the bucket-weight, until all of the surrounding water falls beneath the bucket