Correct Answer: rock

Solution : The correct option is rock.

A rock is defined as any natural mass or aggregate of mineral matter that constitutes a significant portion of the Earth's crust. Rocks are composed of minerals, which are naturally occurring inorganic substances with a specific chemical composition and crystalline structure. They form the solid foundation of the Earth's lithosphere and come in a wide variety of types, including igneous, sedimentary, and metamorphic rocks. Each type of rock has distinct characteristics and is formed through different geological processes.