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Multi-word Results
| ice age |
a long period of time when glaciers covered large parts of the earth. |
| middle age |
the period of human life between youth and old age, or the years between forty and sixty-five. |
| Stone Age |
the stage of human culture when stone tools and weapons were made and used. The Stone Age dates from about two million B.C. to about 3,500 B.C. |
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