I can't see images, but I can help you understand these processes:
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Exocytosis: This is the process by which cells expel materials in vesicles that fuse with the plasma membrane, releasing their contents outside the cell.
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Endocytosis: In contrast, this is the process by which cells take in materials by engulfing them in vesicles formed from the plasma membrane.
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Osmosis: This is the movement of water molecules across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
If the image is showing something being released from a cell, it is likely exocytosis. If it shows something being taken into a cell, it is likely endocytosis. If it's focused on water movement, then it’s osmosis. You can use these definitions to identify the process in the image.