Question

Help me solve this.15

Answer 1

I know only first is diffusion in phenomena

Answer 2

1. The phenomenon is diffusion.

2. A

3. Two kinds of molecules are shown because there is the movement of particles from higher region of concentration to the lower region of concentration.

4. The membrane is separating the tube so that the only selective particles can move from the region of higher concentration to the region of lower concentration.

....hope it will help ya ✌...

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