sophiaxvallejo
sophiaxvallejo sophiaxvallejo
  • 08-09-2020
  • Biology
contestada

pls help me , this is due in 2 hours

pls help me this is due in 2 hours class=

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samkr14
samkr14 samkr14
  • 08-09-2020

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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