Sponsored by: |
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Y |
| Yard wastes |
| Grass clippings and other organic wastes from lawn and garden maintenace. |
| Yellowcake |
| The concentrate of 70 to 90 percent uranium oxide extracted from crushed ore. |
| Younger Dryas event |
| A rapid change in global climate between 10,000 and 12,000 years ago that brought on 1500 years of colder weather. |
| ªð¦^¶º |
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