GKFix MCQ Question

What is the bulk modulus of air at STP?

• A. 1.0 × 10⁻² GPa
• B. 1.0 × 10⁻³ GPa
• C. 1.0 × 10⁻⁴ GPa
• D. 1.0 × 10⁻⁵ GPa