What is the first thing one should do if poison enters the eye? a. cover the eye with a cool, moist towel. b. flush the eye with lukewarm water immediately. c. ask the person to blink his or her eyes.

To test the responsiveness of the kidneys, scientists have designed an experiment tracking urine output of people during a normal day, while regulating the in-take of water by mouth. what would be an appropriate hypothesis for this experiment?