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Biology 8 Online
OpenStudy (anonymous):

"The bicarbonate solution will infiltrate the air spaces in the leaf causing the disks to sink" - so you get carbon dioxide or water from bicarbonate solution? What's their use for? filling the air spaces in the leaf?

OpenStudy (anonymous):

how does removal of oxygen causes the disk to sink? urg...because of gravity? still dont really get it what exactly causes it to float

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