Sinkholes (a True Book: Extreme Earth) - (A True Book: Extreme Earth) by Ann O Squire (Paperback)
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<p/><br></br><p><b> About the Book </b></p></br></br>Can you imagine watching as a busy street or even the floor of your house suddenly collapsed into a gaping pit? That is precisely what can happen when a sinkhole forms underground. Readers will find out how water can wear away at underground rock and cause it to weaken over time. They will also learn how human activities can increase the risk of sinkholes and how sinkholes are predicted and repaired.<p/><br></br><p><b> Book Synopsis </b></p></br></br>Can you imagine watching as a busy street or even the floor of your house suddenly collapsed into a gaping pit?<p></p>That is precisely what can happen when a sinkhole forms underground. Readers (Grades 3-5) will find out how water can wear away at underground rock and cause it to weaken over time. They will also learn how human activities can increase the risk of sinkholes and how sinkholes are predicted and repaired.<p/><br></br><p><b> About the Author </b></p></br></br>Squire has a Ph.D. in animal behavior.
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Cheapest price in the interval: 6.99 on November 8, 2021
Most expensive price in the interval: 6.99 on December 20, 2021
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