●Study the setups shown below. Each test tube contains few bean seeds placed on the cotton wool. Fiza wants to carry out an experiment to show that warmth of the sunlight is needed for germination to take place. Which of the two setups should she use?
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To prove that oxygen is necessary for germination. Apparatus: Two ... Place a wet cotton wool in each flask with some soaked Pea seeds. ... In flask A hang a test tube of plain water
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A) P and W that is tubes containing wet cotton wool placed in dark and in sunlight
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