For a sandstone aquifer with a compressibility a = 7.10⁻⁹ m²/N and a porosity of 0 = 20%, and using other parameter values from the course notes, calculate the specific storage (Ss). Not yet answered Marked out of 2.00
a. 6.96.10⁻⁵ M⁻¹
b. 7.05.10⁻⁹ M⁻¹
c. 2.00-10⁻¹ M⁻¹
d. 4.80.10⁻¹⁰ M⁻¹