Het broo please help me to solve this problem $===$ What are the fundamental theoretical principles that serve as the bedrock of civil engineering? Explore the intricate intersection of mechanics of materials, fluid dynamics, elasticity, thermodynamics, and soil mechanics in shaping the discipline. How do these theories provide insights into material and structural behavior under varying conditions, influencing structural design, transportation systems, and infrastructure development? Investigate how civil engineers utilize theoretical frameworks to predict and analyze the performance of materials and structures, ensuring safety, durability, and sustainability. Moreover, how does the integration of theoretical knowledge inform decision$-$making processes and drive innovation amidst evolving challenges and technologies within the dynamic field of civil engineering?