When the hydraulic conductivity ks = 10 mm/hr; effective matrix potential ns = 20 mm, and rainfall intensity i = 30 mm/hr , determine the amount of runoff generated when the runoff rate reaches 15 mm/hr? ( 2.7 mm or 0.21 mm or 18 mm or 0.67 mm)

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.