polythene

  1. A

    If a plant is in a bell jar with a black polythene bag over the top what

    will happen to the plant? If a plant is in a bell jar, with a black polythene bag over the top, what will happen to the plant? if it is then tested for starch what will the result be?
    • Alice
    • Thread
    • bag bell black jar plant polythene top
    • Replies: 1
    • Forum: Bell
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