Published in 2016
Compaction of soil can contribute to size and numbers of pores. Soil can become compacted many ways, and this can have long-term effects. For example, when American settlers traveled the Oregon Trail in their wagons in the 1800s, soil became so compacted that we still can see wheel ruts today. Try...
Grade Level   5 6 7 8 9 10
Classroom Activities Curricula and Instruction
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