Format:Hardcover
Tiny bristles called setae help earthworms burrow several feet into the ground. The earthworms bring nutrients and minerals to the surface, and on the way, their tunneling aerates the ground. Discover just how valuable these soil-stirrers are in this book for young learners.
Wissenschaft, Technik & Natur
24 Seiten • Hardcover
Erschienen an: 2013-08
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Earthworms
Tiny bristles called setae help earthworms burrow several feet into the ground. The earthworms bring nutrients and minerals to the surface, and on the way, their tunneling aerates the ground. Discover just how valuable these soil-stirrers are in this book for young learners.
Wissenschaft, Technik & Natur
24 Seiten • Hardcover
Erschienen an: 2013-08
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