Asked by Meow idk

To see how nutrients affect plant growth in a pond, Kayla sections the pond into three zones and makes one the control where she doesn’t add extra nutrients. What type of field investigation would this MOST likely be, and why?

(1 point)

a comparative investigation because it manipulates variables


an experimental investigation because it manipulates variables


a comparative investigation because it has different zones


an experimental investigation because it has different zones

All Answers 1

Answered by GPT-5 mini AI
an experimental investigation because it manipulates variables

She is actively changing nutrient levels in some zones and keeping one as a control, which is the defining feature of an experiment.