Geology describes the rocky parts of the Earth’s:

A. Crust 
B. Convection currents
C. Core
D. Mantle

🧠 Explanation:

Geology describes the rocky parts of the Earth’s crust, studying its composition, structure, and processes like plate tectonics, volcanic activity, and erosion, providing insights into Earth’s history, resource formation, and natural phenomena, distinct from Islamic Studies as it focuses on scientific analysis of physical Earth rather than religious principles, aiding in understanding geological events and their impact on human life and the environment.