Here's why:

* Gravitational Potential Energy (GPE) is the energy an object possesses due to its position in a gravitational field. It depends on:

* Mass (m) of the object: A heavier object has more GPE.

* Acceleration due to gravity (g): This is a constant near the Earth's surface (approximately 9.8 m/s²).

* Height (h) above a reference point: The higher the object, the more GPE it has.

* Greater Height: While height is a factor in GPE, it's not the *sole* determinant. A taller object doesn't automatically have more GPE than a shorter one. Consider these scenarios:

* Different Masses: A small, heavy object at a certain height could have more GPE than a large, lightweight object at the same height.

* Different Gravitational Fields: Objects on different planets (with different gravity) will have different GPE even at the same height.

In conclusion: Height is a component of GPE, but it's not the whole story. The total GPE is determined by a combination of mass, gravity, and height.