| A | B |
| releases energy from food | oxygen |
| thickest layer in atmosphere | thermosphere |
| weather happens here | troposhere |
| aurora borealis happens here | ionosphere |
| ozone layer | stratosphere |
| helps with photosynthesis | carbon dioxide |
| protection from meteorites | mesosphere |
| satellites sending TV signals | exosphere |
| thin layer of air protecting earth | atmosphere |
| pushing force | pressure |