Suppose you are interested in the following question: “What do bean seeds need to germinate (i.e. sprout)?

Suppose you are interested in the following question: “What do bean seeds need to germinate (i.e. sprout)?” After thinking about it for awhile, you come up with the following hypothesis: “Bean seeds need water to germinate.” You design an experiment that places some beans in pots that get watered with distilled water on a regular basis and some beans in pots that do not get watered; you put the same number of beans in each pot type. You check all the pots every day to see if any seeds have started to sprout and count the newly germinated seeds each day. All pots are grown in a greenhouse.

In the experiment described above, the independent variable would be:

a.The type of water used

b.The amount of time for the plant to start to grow

c.The amount of sunlight

d.The amount of water used

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