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Biology, 19.10.2021 17:00 goreeefk4939
A student formed the hypothesis "If corn seeds were planted in freezing
temperatures, then they would not germinate (grow)" 20 grains of corn were
planted on moist filter paper in each 2 petri dishes. The dishes were covered with
black paper to exclude light. Dish #1 was kept at 0 C (freezing) and dish #2 at 25
C. After 10 days, no seeds in dish #1 had germinated; 18 seeds in dish #2 had
germinated by the end of the fifth day.
Dish #1 in the experiment represented
the hypothesis
the experimental group
the control group
the variable
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A student formed the hypothesis "If corn seeds were planted in freezing
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