Q: You are presented with the quiz "what is a form of diffusion?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "vesicle transport requires energy, so it is also a form of active transport" and "active transport is yet another form of diffusion". So, what's the best answer to the question?

Pick your answer from:
1). Move to another area;
2). vesicle transport;
3). By wind and rain;
4). through water;
5). Soil movement;
6). by making heat;
7). Evaporation;
8). Veins and arteries.;
A:
2).