Question

question 4 of 10 which of the following is the independent variable for a controlled experiment investigating how waste production affects a certain person’s ecological footprint? a. measurement of the amount of waste produced b. identification of the person c. calculation of resulting ecological footprint d. opinion the person has about environmental impact

Explanation:

In a controlled experiment, the independent variable is the one manipulated to observe its effect on the dependent variable. Here, we're investigating how waste production (independent variable) affects ecological footprint (dependent variable). Option A is the measurement of waste produced (the independent variable's quantity), B is irrelevant, C is the dependent variable's calculation, D is unrelated.

Answer:

A. Measurement of the amount of waste produced