Question

A average sneeze travels at about 100 miles an hour. Rebecca designs an experiment to increase the speed of sneezes. She subjects four participants to different stimulants: pepper, bright light, pollen, and fizzy soda. While the participant sneezes Rebecca measures how fast air traveled through the nasal passage. What is the control in Rebecca’s experiment? A) The four participants B) The different stimulants C) The speed of a typical sneeze D) The speed of the induced sneezes

Answer 1

Your Answer Would Be C The Speed of a typical sneeze.

A Control In an Experiment is known as the Variable thats not touched nor messed with. Rebecca is not Changing the speed of aTypical sneeze.