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ExamScienceCh15
science ch. 15 exam
| Question | Answer |
|---|---|
| atmosphere | a mixture of gasses that surrounds the Earth |
| troposphere | the lowest, densest layer of the atmosphere |
| stratosphere | the atmospheric layer above the troposphere |
| mesosphere | the middle layer of the atmosphere. It is also the coldest layer. |
| thermosphere | uppermost layer of the atmosphere |
| Why does wind occur? | differences in air pressure caused by unequal heating of the earth |
| We breathe mostly... | oxygen |
| Know the diagram of winds and the degrees in which they fall | *See book |