This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Independent variable is a factor that changes the dependent variable. For example, the problem is how fast salt dissolves in water according to temperature. The independent variable is the temperature of water. The dependent variable is how fast salt dissolves.