According to the article “mississippi floods quad cities,” the flooding of the mississippi river creates a challenge for the people living in the region. what do scientists monitor in order to predict when floods may occur? a. the activity of earthquakes and volcanoes in the region to the west of the mississippi river b. the number of hurricanes that strike the region to the east of the mississippi river c. the phases of the moon, which affect the movement of water on earth d. the amount of snow and rainfall received in the region

Two types of survey questions are open questions and closed questions. an open question allows for any kind of response; a closed question allows for only a fixed response. an open question and a closed question with its possible choices are given below. list the advantages and disadvantages of each question. open question: what can be done to get students to eat healthier foods? closed question: how would you get students to eat healthier foods? 1. mandatory nutrition course 2. offer only healthy foods in the cafeteria and remove unhealthy foods 3. offer more healthy foods in the cafeteria and raise the prices on unhealthy foods what are the advantages of an open question?