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alexira [117]
3 years ago
13

Pls help me , this is due in 2 hours

Biology
1 answer:
Blizzard [7]3 years ago
5 0

Answer:

A)

  1. Control: untouched dish
  2. Dependent variable: the different salt concentrations for preventing the growth of bacteria
  3. Independent variable: agar

B)

  1. Control: the group that is not exposed to any pollutant (5th group)
  2. Dependent variable: the effect of pollution on soybean plants
  3. Independent variable: the pollutant

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