This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Potentiele energie. PD Eigen werk Rene Rome nl Rrome nl Rrome Original upload log page nl Potentieleenergie Rrome bytes no PD eigen werk Rene Rome Rrome bytes no PD Eigen werk Rene Rome Activation energy
Page 2023 Free-images.com. All images are Public Domain