Erosion: Erosion is the geological process in which weathered material is transported away from its original location by natural forces such as water, wind, ice, and gravity. This process results in the wearing down of the Earth's surface over time.

Here's how gravity works with water, ice, and wind to cause erosion:

1. Water Erosion:

- Gravity pulls water downward, causing it to flow as rivers and streams. As water flows, it picks up sediments and debris from the landscape and carries them downstream.

- Over time, this can lead to the formation of deep channels, valleys, and canyons.

2. Ice Erosion:

- Gravity pulls glaciers and ice sheets downslope, carrying rocks and debris along with them. This process, known as glacial erosion, can create deep U-shaped valleys, cirques, and moraines.

3. Wind Erosion:

- Gravity pulls airborne dust and sand particles down to the surface. As the wind blows, it picks up these particles and carries them away, causing abrasion and erosion of the land surface.

The combined effects of water, ice, and wind erosion, in collaboration with the force of gravity, have shaped the Earth's topography over millions of years.