B1 2020 Purvis

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Across
  1. 4. __________ produce a lot of carbon dioxide in the means of production.
  2. 5. The pause in between the mesosphere and stratosphere.
  3. 8. Rural areas are converted to more city-like areas and this typically means that there is more carbon dioxide given off from increases car and bus transportation.
  4. 10. We can cut down on greenhouse gas emissions by riding a __________ instead of a car when traveling short distances.
  5. 11. The blanket of gases that surround the Earth.
  6. 16. As altitude increases in the mesosphere, temperature __________.
  7. 17. The melting of glaciers and ice caps can add to the amount of water in the oceans and can cause __________.
  8. 18. Plants use sunlight and other factors to convert it into food (glucose) and then eventually give off oxygen.
  9. 21. Growing crops and farming gives off a plentiful amount of oxygen to the atmosphere.
  10. 25. Increasing amounts of heat, caused by greenhouse gases and the sun cause glaciers and ice caps to melt and heat up the Earth overall.
  11. 26. A natural occurrence where the sun gives off radiation to the Earth and it is absorbed and heats the Earth up overall.
Down
  1. 1. This is the second most abundant greenhouse gas in the atmosphere.
  2. 2. The greenhouse gas that is emitted by the burning of fossil fuels.
  3. 3. These are the least emitted major greenhouse gases.
  4. 6. The atmospheric layer that weather occurs.
  5. 7. The atmospheric layer that contains the ozone layer.
  6. 9. Evaporation changes liquid water into this gaseous form.
  7. 12. The Earth heating up causes glaciers and ice caps to __________.
  8. 13. The atmospheric layer that is the most dense.
  9. 14. The second most abundant atmospheric gas.
  10. 15. A process where trees are cut down, which leads to decreases oxygen given off.
  11. 19. The most abundant gas in the atmosphere.
  12. 20. Eruptions from these give off carbon dioxide and a lot of heat.
  13. 22. The emission of greenhouse gases by people into the atmosphere is air __________.
  14. 23. A protective layer in the stratosphere where harmful radiation from the sun is absorbed and is blocked from the Earth.
  15. 24. Give off oxygen to the atmosphere after going through photosynthesis.