Final answer:
The moon's surface has stayed the same for so long because there is no atmosphere to cause changes, no water to change the land, and no wind to wear the land down.
Step-by-step explanation:
The moon's surface has stayed the same for so long primarily because there is no atmosphere to cause changes. Without an atmosphere, there is no weathering or erosion that can significantly alter the moon's surface. Additionally, there is no water on the moon, which is another important factor in changing the land on Earth.
Furthermore, there is no wind to wear the land down. On Earth, wind erosion is a significant process that shapes the surface over time, but the moon lacks a substantial atmosphere to generate strong winds.
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