Learners of stage-9 investigated the effect of drought on plant growth. They took bean seeds and three cups. They kept soil in three cups, labelled them. They put bean seeds in the soil and watered them. They varied the amount of water in three cups with last cup soil not watered at all. They observed the bean seeds growth and measured the height of bean seeds each day. They observed the cup in which no watering was done. No growth happened.
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