A I think I hope this helped
The answer is A because if you want a reliable source of scientific information you should go to an actual scientist at a scientific conference.
Tree sap getting hardened
100,000,000 years ago there were mosquitoes like today and also like today they fed on the blood on animals. Namely dinosaurs
Sometimes after biting a dinosaur they’d land on a branch of a tree and get stuck in its sap
Diffusion has a major part in this. It has proteins embedded in it that allow molecules to diffuse in and out of the cell up and down its concentration gradient.
