1. Composition of the Earth's Atmosphere
... ahead. The appearance of dark gray clouds on the horizon alerts people to the possibility of heavy rain. The formation and movement of clouds indicate how moisture n the air affects day-to-day weather. Climate The climate of a region is determined by the average monthly and yearly temperatures and precipitation over at least thirty days. It is measured by assessing the patterns ... attractive force binding them together, and then evaporate and rise as invisible vapour in the atmosphere. Transpiration Water vapour is also emitted from plant leaves by a process called transpiration. Every d...
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- Approx Pages: 14
- Grade Level: High School