A scientist conducted an experiment to determine how the amount of salt in water affects the number of plants that can live in the water. In this experiment the independent variable is?

  • (A) The number of plants in water
  • (B) Water
  • (C) The temperature of the water
  • (D) The amount of salt in the water

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  • Correct order of steps in scientific method is?
    • (A) Consturuct a hypothesis, analyze the results, identify problem, draw conclusion
    • (B) Identify a problem, analyze results, construct a hypothesis, draw conclusions
    • (C) Identify a problem, construct a hypothesis, draw conclusion, analyze results
    • (D) Identify a problem, construct a hypothesis, analyze results, draw conclusion

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