| A | B |
| ratio | a relation or comparison between numbers or things based on amount or degree |
| axis | a real or imaginary line through the center of an object, around which the object turns |
| export | To send to another country to sell |
| atmosphere | the gases surrounding the earth or another planet |
| gravity | the force by which all objects in the universe are attracted to each other |
| invasion | an act or instance of invading by an enemy or hostile army |
| surprise | to catch off guard |
| composition | the way the parts of something are put together |
| manufacture | the making of goods on a large scale |