3. A student wants to determine the effect of soil type on plant growth. He sets up three pots as shown below. How could this experiment be improved? Tomato
Soll
Bean
Soil
Fertilizer
Turnip
Soll
Compost
Hei
U OD
Daily water 20 mL
С
Daily water 20 ml
A Bailly water 20 ml
A All three pots should have the same kind of soil
B All three pots should have the same kind of seed, the same amount of light, and the same amount of water
The three pots should have different amounts of water
D. There is nothing wrong with this experiment