Question

the scientific method question 20 carlos and rashad perform and experiment to see if music affects the height of a plant. they take a rose bush and sunflower and place them on opposite sides of the classroom. they place a speaker close to the rose bush and play music every night for the plant. they know that the plants need different nutrition, so they give the rose bush water with magnesium and the sunflower water with nitrogen. at the end of 4 weeks, they measure the plants. since the sunflower is taller, they conclude that music impedes plant growth. list 3 problems with this experiment.

Explanation:

1. Different plant types: Rose and sun - flower have different growth potentials.
2. Unequal nutrients: Different nutrients given to each plant can affect growth.
3. Lack of control group: No plant of same type without music for comparison.

Answer:

1. Different plant species were used.
2. Uneven nutrient provision.
3. Absence of a control group.