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Elementary (Grades K-2)
Elementary (Grades 3-5)
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Back to School: Free Resources
Gun Violence in the United States
Impeachment and Democracy: Free Resources and Lesson Plans
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Natural resources and agricultural systems are managed for specific purposes and in a variety of ways.
The universe, earth and all earth systems have undergone change in the past, continue to change in the present and are predicted to continue changing in the future.
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