Geos and gloups are the landforms formed by the action of waves.

Waves are a powerful force of nature that constantly shape the Earth's coastlines. They are primarily formed by the wind blowing across the surface of the ocean, which creates ripples that eventually develop into waves. As waves approach the shore, they undergo various processes that lead to the formation of landforms such as geos and gloups.

Formation of Geos:
- Geos are narrow, steep-sided inlets or clefts in coastal cliffs. They are formed through the process of wave erosion.
- When waves approach the coastline, their energy is concentrated on headlands or areas of more resistant rock.
- The power of the waves, combined with the presence of joints or faults in the rock, causes the cliffs to be eroded and weakened over time.
- As the waves continue to crash against the cliffs, they exploit these weaknesses and create narrow, deep indentations known as geos.
- The erosion process is typically more pronounced during stormy weather or high tides when the waves are stronger.

Formation of Gloups:
- Gloups are circular or oval-shaped depressions in coastal cliffs that are also formed through wave erosion.
- Similar to geos, gloups are created by the relentless action of waves against the cliffs.
- However, the formation of gloups is influenced by the presence of caves or softer layers of rock within the cliffs.
- As the waves batter the cliffs, they gradually erode these weaker areas, creating cavities or caves.
- Over time, the roofs of these caves may collapse, resulting in the formation of depressions known as gloups.
- Gloups are often found near the base of the cliffs and can vary in size and depth.

Conclusion:
In conclusion, geos and gloups are landforms that are formed by the action of waves. Through the process of wave erosion, waves shape the coastal cliffs, exploiting weaknesses in the rock to create these distinctive features. Understanding the formation of geos and gloups is important in studying coastal processes and the evolution of coastlines.