The coefficient of volume change with respect to thickness is given by ______

• A. \(m_v= H\frac{1}{∆σ’} \)
• B. \(m_v= \frac{-∆H}{H_0} \)
• C. \(m_v= \frac{-∆H}{H_0}\frac{1}{e}\)
• D. \(m_v= \frac{-∆H}{H_0}\frac{1}{∆σ’} \)