Students interested int the development of plants designed an experiment to test germination in different types of seeds. they placed 2 pumpkin seed, 2 radish seeds, and 2
zucchini seeds on damp filter paper in 3 different petri dished and observed the dishes for several weeks. the water on the filet paper was slightly acidic in the pumpkin dish,
neutral in the radish dish, and slightly basic in the zucchini dish. each dish was kept at a different temperature. after several weeks of data collection, the students had a
difficulty coming to a conclusion.
using complete sentences, answer the following questions:
a. what errors did the students make in designing this experimental procedure?
b. how could this procedure be changed to make this experiment valid?