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.
Vtskefas. page is was here Skapad av Rogper Created by Rogper sv Swedish Rogper Format chemistry Files by User Rogper from sv Uploaded using de php CommonsHelper or de php PushForCommons States of aggregation
Page 2023 Free-images.com. All images are Public Domain