Science and Matḥ̣̣̣̣̣̉̉̉̉̉̉̉̉̉̉
There are so many examples for that in different areas, like steroidal compounds experiment carried out in our lab recently.
Here's one link: hhttp://www.alfa-chemistry.com/products/steroidal-compounds-8.htm
To put it simply: Sandpaper
Answer:
A.
Explanation:
I'm pretty sure it's A, glucose produced during photosynthesis.:) Hope it helps.