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.
Diffusion.ru.svg see File Diffusion Schematic drawing of diffusion over semipermeable membrane Created by Quasar Jarosz talktalktalktalk translated to Russian Esmu Igors Diffusion en svg Diffusion Semipermeable membrane
Page 2023 Free-images.com. All images are Public Domain