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| Efforts to preserve, protect, and restore natural resources |
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| Very bad events that hurt people or damage property |
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| A long spell without rainfall that causes a water shortage |
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| A disease of the lungs caused by breathing lost of dust |
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| A disaster that struck the USA in the 1930s |
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| A whirlwind that causes dust to fill the air |
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| Related to buying and selling of goods and services |
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| The gradual wear on land surfaces by water, wind, or ice |
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| Open areas of land that have grass for grazing animals |
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| The severe downturn of the U.S. and world economy from 1929 to 1939 |
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| A flat, treeless region of the southern United States |
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| Money that is received from work or another source |
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| A movement from one location to another |
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| Moisture, such as rain, that falls from clouds |
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| The state of doing very well economically |
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| The return of something to a normal state after a setback or loss |
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| Lacking a paid job, but able and available to work |
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