Susan wants to see how different chemicals in the soil affect plant growth. Therefore, she gets all of the same type of plant, sets them up in the same place, waters them the same amount, but then puts different chemicals on each of them. What is the independent variable in Susan's experiment?
The plant growth
The chemicals
The amount of water
Where she set-up the plants
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Answer:
The chemicals is the write answer
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1
Answer:
The chemicals used are the independent variables in Susan’s experiment.
Explanation:
The relationship between ‘independent and dependent’ variables should be important in all experiments. An independent variable is defined as the variable where the matter or the nature controls the performance of an experiment. The variables that are dependent on independent variables are said to be dependent variables.
Here the ‘independent variable’ is the chemicals that got sprayed on the every plant. These chemicals determine the growth difference of every plant used in this experiment. This is because the used chemicals manipulate the Susan’s experiment.
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