Justin is growing a garden and has many different types of liquids with which he could water his plants. he has water, coffee, milk, and fertilizer dissolved in water. he wants to know which liquid will his tomato plants grow the best. what is the independent variable, dependent, controlled?

Explanation:

To identify the different variables from this experiment, we must first understand what the different types of variables depicts.

Independent variables are those variables that do not rely on the conditions of the experiment. They are what causes the experiment to proceed the way we want.

Dependent variables are the variables that relies on the effect of the independent variables. They are what we are actually testing for.

Controlled variable are the variables that are constant in an experiment and their outcomes are used to checkmate an experiment.

In the experiment by Justin:

Independent variable: water, coffee, milk

dependent variable: garden growth

controlled variabe: fertilizer