Question
Marcus is conducting an experiment to determine how the alkalinity of lake water affects moss levels in Michigan. He randomly applies different treatments to change the alkalinity in 50 lakes. What is the independent variable in the scenario?
Option #1: the alkalinity of the lake water
Option #2: the number of lakes chosen
Option #3: the moss level
(1 point)
Option #
Option #1: the alkalinity of the lake water
Option #2: the number of lakes chosen
Option #3: the moss level
(1 point)
Option #
Answers
GPT-4o mini
The independent variable in the scenario is:
**Option #1: the alkalinity of the lake water**
The independent variable is the factor that is manipulated in the experiment (in this case, alkalinity) to observe its effect on the dependent variable (moss levels).
**Option #1: the alkalinity of the lake water**
The independent variable is the factor that is manipulated in the experiment (in this case, alkalinity) to observe its effect on the dependent variable (moss levels).