Across
- 1. when half of solar radiation passes through the atmosphere
- 6. what makes up most of atmospheric composition
- 8. where most clouds are at
- 9. cores this measures the past atmosphere on earth
- 10. absorbs ultraviolet radiation
- 13. period when glaciers grow and advance
- 14. age when temperature lowers to the point of glaciers and ice form
Down
- 2. what season has the most co2 absorption
- 3. what gives off solar radiation
- 4. expansion the tendency of water to expand when warm
- 5. warm period 950-1250 C.E
- 7. sheets permanent layers of ice
- 11. what the earth does around the sun
- 12. where carbon dioxide is measured