Making Water Safe - Wilder, Nellie
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Everyone needs clean water, but not everyone has access to it. Learn how people are working to solve the clean water problem with this book that uses real-world examples to give insight into how the engineering design process is used to solve problems.

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Produktbeschreibung
Everyone needs clean water, but not everyone has access to it. Learn how people are working to solve the clean water problem with this book that uses real-world examples to give insight into how the engineering design process is used to solve problems.
Autorenporträt
Nellie was born in New York City and moved to the midwest when she was a girl. She grew up on a real working farm where she helped to care for the animals and grow crops. Farm life showed her the importance of taking care of the natural world.