Correct option is C
· Troposphere: The troposphere is the lowest layer of Earth's atmosphere, extending up to 8-15 km above the Earth's surface.
· Weather Phenomena: All weather activities, such as clouds, rain, snow, fog, and dew, occur in this layer.
· Temperature Gradient: Temperature decreases with altitude in this layer, supporting the formation of weather patterns.
· Importance: It contains approximately 75% of the atmosphere's mass and 99% of its water vapor.