From the author of the best-selling Mystery Disease comes another exciting problem-based learning unit, Mystery River . This unit introduces students to a serious problem--the fictional town of Hopewell's prized freshwater mussel population is dying out, and the town's leading citizens cannot figure out why. Your students will take char
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From the author of the best-selling Mystery Disease comes another exciting problem-based learning unit, Mystery River . This unit introduces students to a serious problem--the fictional town of Hopewell's prized freshwater mussel population is dying out, and the town's leading citizens cannot figure out why. Your students will take char
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