Question

how would you demonstrate that water temperature and air are essential for seed germination

Answer 1

Explanation:

Place a wet cotton wool in each flask with some soaked Pea seeds. Pyrogallic acid absorbs oxygen so a test tube of in flask B in such a way that the cemical dosent drop in the flask. In flask A hang a test tube of plain water. ... Result: Oxygen is necessary for germination.

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