2. the vascular tissue system i believe hope this helps :)
There are so many examples for that in different areas, like organic germanium compounds experiment carried out in our lab recently.
Here's one link: http://www.alfa-chemistry.com/products/organic-germanium-24.htm
Where is the phot for the video?
C 50%
Sorry I have to fill the rest with random characters djsjsndkjhsuxnshskshd
You already answered the question in the picture above
