Fill in the blanks with: A) increases B)decreases C) less than D) greater than E) stays the same F)stays the same as i) A block of wood floats in a pail of water in a stationary elevator. The level of water in the pail _____ when the elevator accelerates downward. ii) Two identical shallow containers are placed on identical scales. A live duck is put in one container. Both containers are then filled with water to their brims; it is observed that the duck is standing on the bottom of its container. The reading on the scale under the container with the ducks is _____ the reading on the other scale. iii) A boat containing a cement block floats in a swimming pool. The water level in the pool ___ when the block is thrown to shore. iv) A boat containing a cement block floats in a swimming pool. The water level in the pool ___ when the block is dropped into the water. v) Two balloons of the same volume are fulled with helium and hydroge, respectivley. The buoyant force on the helium filled balloon is ______ the buoyant force on the hydrogen filled balloon. I said ADABC but that is not correct. I am fairly sure of iii, iv, and v. ii i am not sure what aspects to consider, and for i I cannot decide if it would stay the same or rise. Thanks for any help!