A. Sodium
B. Iron
C. Carbon
D. Aluminium
🧠 Explanation:
Aluminium is the most abundant metal in Earth’s crust, used in various industries. For chemistry students, this highlights material science, making it a key topic for studying geology, chemical properties, and industrial applications. It’s lightweight and durable. Understanding this ensures knowledge of Earth’s composition. It’s essential for analyzing material science, environmental chemistry, and industrial processes. Studying aluminium offers insights into how metals drive industries, crucial for chemistry, engineering, and environmental science, ensuring knowledge of its role in manufacturing and sustainability.