21 Which of the following instruments is used to measure atmospheric humidity? A. Anemometer C. Hygrometer B. Barometer D. Thermometer 22. How does typhoon form? A. It is form over warm tropical landmass B. It is form over cold tropical bodies of water C. It is form as giant whirlwinds in which air moves in a large spiral around a center of extreme low pressure over warm tropical landmasses. D. It is form as giant whirlwinds in which air moves in a large spiral around a center of extreme low pressure over warm tropical bodies of water 23 Study the graph Which letter corresponds to an active fault? Con Bant Tine 24. Which of the following are studied by meteorologists? A. Planets C. Rocks B. Earthquakes D. Weather 25. To what direction do typhoons in the Philippines move? A. Northeast C. Southeast B. Northwest D. Southwest