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* Meteorology*
Atmosphere
| Question | Answer |
|---|---|
| Photosynthesis helps to reduce the amount of ______. | Carbondioxide |
| Water vapor, carbon dioxide and clouds are good _____ trap heat and will cause ______. | 1. insulators 2. Global Warming |
| Vegetation absorbs more or less heat than non-vegetated areas. | more |
| Volcanic eruptions can decrease temperatures due to? | ash blocking sunlight directly or by ash increasing the amount of condensation on nuclei in the atmosphere |
| The Earth's _____ has changed over geologic time. | Atmosphere |
| Plants and oceans are ____. (reduce the amount of Carbon) | Carbon sinks |
| What are oxygen sinks? | They reduce the amount of oxygen in the atmosphere |
| the earth's current atmosphere what percent nitrogen? | 78% |
| The earth's current atmosphere is what percent Oxygen? | 21% |
| The composition of the atmosphere can change because of? | Human activity |