You notice that extended use of the microscope is giving you a headache. Your professor mentions that the headaches may be due to staring into light that is too bright for extended periods of time. What should you do the next time you use a microscope to reduce your chances of another headache?

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases