A dependent variable is how they are recording, measuring or keeping track of the science experiment their doing.
A independent variable is the things/types there using to compare what is the most/least affective in the experiment.
A controlled variable is something that stays the same in the experiment or a group/set used for comparison
Increasing melanin production.
Good luck! (:
~ Jasmine
<span>After the stove is turned off, convection currents continue to transfer energy through the water for a period of time</span>
I think you need to post the diagram so people can awnser
