How does a cactus retain water?

Today the preppers conducted an experiment to determain how a cactus holds water. We used water, paper towels, and wax paper to simulate 3 different scenarios of air exposure. Cacti have waxy interior walls protecting their water from air exposure. Our experiment showed that the paper towel and wax paper roll held water the longest. 

One thought on “How does a cactus retain water?

  1. Thanks for teaching them so much – even I learned something!

    Marie Cantrell



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