Natural Thing: Rock

A natural thing refers to any object, organism or phenomenon that exists and occurs naturally in the environment without human intervention. The following are the reasons why rock is a natural thing:

- Definition: A rock is a naturally occurring solid mass or aggregate of minerals. Rocks are formed through geological processes that occur over millions of years such as cooling and solidification of lava, sedimentation of particles, and metamorphism of existing rocks.

- Found in Nature: Rocks are found naturally on the Earth's surface and are part of the geology of the planet. They are not created by humans but are a product of natural forces and processes.

- Non-living: Rocks are non-living things and do not have any biological functions. They are not capable of growth, reproduction, or metabolism. Unlike living things, rocks do not respond to stimuli from the environment.

- Used for Various Purposes: Rocks have been used by humans for various purposes such as building materials, tools, and as a source of minerals. However, their natural occurrence and formation are not influenced by human intervention.

In conclusion, a rock is a natural thing as it is formed by natural geological processes and exists in the environment without human intervention.