GKFix MCQ Question

What is the compressibility of air if its bulk modulus is 1.0 × 10^5 Pa?

• A. 1.0 × 10^5 Pa^-1
• B. 1.0 × 10^-5 Pa^-1
• C. 2.2 × 10^-9 Pa^-1
• D. 5.0 × 10^-10 Pa^-1