Final answer:
Adhesion is the attraction between water molecules and other surfaces. The example of water droplets sticking to a window illustrates this property of adhesion effectively. Other examples mentioned relate to cohesion and different processes of water but do not demonstrate adhesion.
Explanation:
The Importance of Adhesion in Water
Adhesion refers to the attraction between water molecules and other substances. In the example of water droplets sticking to a window, this is a clear illustration of adhesion. The water molecules are attracted to the surface of the window, causing them to spread out and cling to it rather than forming a large drop.
In contrast, when water forms a large drop, it is showcasing cohesion, which is the attraction between water molecules themselves. Water evaporating from a leaf and water falling from the sky are both processes related to water's properties, but they do not demonstrate adhesion. Therefore, the correct choice for an example of adhesion is:
- Water droplets sticking to a window.
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