Consider the following hypothesis.
Hypothesis: The germination of radish seeds is affected by the chemistry of
the soil.
Which statement of purpose best defines the objective of an experiment to
test this hypothesis?
OA. To see if radishes will grow when radish seeds are planted in soil
and given water regularly for a month.
OB. To measure the rate at which radish seeds are eaten by crows.
OC. To compare the average size of radishes grown in Minnesota with
those grown in lowa.
OD. To determine the percentage of radish seeds that germinate in
soils of different chemistry.