In an experiment, a researcher manipulates the amount of sunlight plants receive and measures their growth. What is the manipulated variable (independent variable) in this study?Group of answer choicesTimeAmount of sunlightTemperaturePlant growth

In experimental research, the independent variable is manipulated or changed by the experimenter to measure the effect of this change on the dependent variable.  Group of answer choicesTrueFalse

How would you determine which variable most significantly affects plant growth in a complex experiment with multiple variables?

in an experiment investigating the effects of different types of fertilizer on plant growth, what is the independent variable? a. The plant growth b. The duration of the experiment c. The environmental conditions d. The type of fertilizer used

When experimenting with the growth of a plant, a scientist uses three of the same type of plants, two different fertilizers, equal light, and equal water. What type of variable is the water?a.Control variableb.Interdependent variablec.Independent variabled.Dependent variable

You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. Finally, a fourth plant receives pure water. After two weeks, the height is measured. Based on the given situation, which of these was the independent variable in this experiment?a.height of plantsb.type of plantc.amount of salt solutionsd.amount of water