A group of pupils tested the effects of fertilizer on the growth of plants. They used six plants are all 15 cm tall. They grouped the plants into two: Group A and Group B. they watered the plants in Group A with 200mL of plain water and with 200mL fertilizer solution in Group B. They watered the plants twice a week with the same amount of water and exposed them to the to the same amount of sunlight. After three weeks, they measured the growth of the plants in each group. Group A: 18 cm tall Group B: 32 cm tall. How did the group of students exhibit fair testing in the given situation?
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Answer:
bkit PO nakalagay apan pero Ang nilagay nyong question English?
Explanation:
dko PO gets