Comprehensive ports (option D) are those which handle both bulk and general cargo in large volumes. They provide facilities for various types of cargo, including raw materials, machinery, and consumer goods, making them versatile and important for international trade.
- Ferry Ports (A) are typically used for transporting passengers and vehicles rather than bulk cargo.
- Inland Ports (B) refer to ports located inland, often on rivers or lakes, and may not always handle large volumes of cargo.
- Ports of Call (C) are ports where ships stop during a journey, but they are not necessarily focused on handling large cargo volumes.
Hence, option (D) is the correct answer.
If \(\begin{vmatrix} 2x & 3 \\ x & -8 \\ \end{vmatrix} = 0\), then the value of \(x\) is: