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2: Essential Question
3: Water and Energy
4: Phases Changes
6: What Do You Think?
7: Water Vapor in the Atmosphere
8: Which is Heavier?
9: Why is Moist Air Lighter Than Dry Air?
11: Water Vapor and Pressure
12: What Do You Think?
13: Absolute Humidity
14: How Much Water Can Air Hold?
15: Relative Humidity
16: How Do We Measure Moisture in the Atmosphere?
17: How Does Atmospheric Moisture Change Throughout the Day?
18: How Does Moisture Travel Around the Globe?
19: Key Points: Atmospheric Moisture and Humidity
20: Evaluate Your Learning
Atmospheric Moisture and Humidity