| A | B |
|---|
| dispose of | to get rid of something; to throw away |
| waste | garbage; unwanted materials that are left after you have used something |
| reveal | show |
| archaeologist | a scientist who studies ancient societies by examining their remains |
| battery | an object that provides a supply of electricity for something such as a radio, car, or toy |
| actual | real, true |
| hazard | something that may be dangerous, or cause accidents or problems |
| landfill | a place where waste is buried under the ground; the dump |
| hopeful | optimistic; believing that what you hope for is likely to happen |
| investigate | to try to find out the truth about or the cause of something such as a crime, accident, or scientific problem |
| modern | today |
| on the other hand | used to give another opinion or fact that should be considered as well as the one you have just given |
| recharge | to put a new supply of electricity into a battery |
| recycle | to put used objects or materials through a special process so that they can be used again |
| end up | to be in a particular situation or place after a series of events, especially when you did not plan it |
| deep | serious |
| garbage | waste material, such as paper, empty containers, and food thrown away |
| check in | to tell the airline/hotel that you have arrived |
| drop out | to stop going (to school) |
| get through | finish |
| put back | put something where it was before or where it belongs |
| think over | to think about carefully |
| hazardous | dangerous |
| actually | really |
