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Author: United States. Public Health Service
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 20
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Book Description
Author: United States. Public Health Service
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 20
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Book Description
Author: Sir Francis Bond Head
Publisher:
ISBN:
Category : English essays
Languages : en
Pages : 422
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Book Description
Author: James Marshall
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 104
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Book Description
Discusses the importance of clean air to man, the causes and effects of air pollution, and some possible methods of controlling this problem of modern living.
Author: Lincoln Barnett
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 216
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Book Description
Author: James McDonald
Publisher:
ISBN: 9780998294902
Category :
Languages : en
Pages : 44
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Book Description
I Am Earth introduces kids to the basic concepts of earth science while also encouraging the importance of taking care of our special planet through environmental awareness and sustainability. Keeping Earth a happy healthy place to live is important for everyone big and small. In this Earth science book for beginners, kids learn what makes our planet so uniquely special and how people can work together to keep it a healthy home.
Author: Susan Beth Pfeffer
Publisher: Houghton Mifflin Harcourt
ISBN: 0547248040
Category : Juvenile Fiction
Languages : en
Pages : 261
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Book Description
The highly anticipated follow-up to Life As We Knew It and The Dead and the Gone
Author: Anja Røyne
Publisher: The Experiment
ISBN: 1615196463
Category : Science
Languages : en
Pages : 205
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Book Description
This “excellent” popular science book explores just what we—and the things around us—are made of (Aftenposten, Norway). Some elements get all the attention: glittering gold, radioactive uranium—materials we call “precious” because they are so rare. But what could be more precious than the building blocks of life—from the oxygen in our air to the carbon in all living things? In The Elements We Live By, physicist and award-winning author Anja Røyne reminds us that we’d be lost without the quiet heroes of the periodic table. Our bodies need phosphorous to hold our DNA together, potassium to power our optic nerves, and many more elements—in just the right amounts—to function. Other fundamental elements keep our technology (and society) running: Our phones contain arsenic, boron, and gallium to control signals and store information; indium and tin for the touch screen; and lithium for the battery. Everything is made of elements—every galaxy, star, and planet—from the iron in Earth’s core to the silicon in its sand. But that doesn’t mean the elements we rely on will never run out; for example, about half the lithium we need is extracted from rocks in Australia, and the other half is from saltwater in Argentina and Chile. As Røyne travels the world to find where these elements exist (some in ever-shrinking amounts), she shows how vitally urgent it is for us to protect them—the elements of our very existence. “Not just a discussion of basic chemistry, this is a volume that looks at the human impact on the planet and what we can learn from nature...Useful for science or sociology courses that address the various impacts of natural resource development or for popular science readers.” —School Library Journal
Author: Stephen Petranek
Publisher: Simon and Schuster
ISBN: 1476784779
Category : Science
Languages : en
Pages : 96
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Book Description
Award-winning journalist Stephen Petranek says humans will live on Mars by 2027. Now he makes the case that living on Mars is not just plausible, but inevitable. It sounds like science fiction, but Stephen Petranek considers it fact: Within twenty years, humans will live on Mars. We’ll need to. In this sweeping, provocative book that mixes business, science, and human reporting, Petranek makes the case that living on Mars is an essential back-up plan for humanity and explains in fascinating detail just how it will happen. The race is on. Private companies, driven by iconoclastic entrepreneurs, such as Elon Musk, Jeff Bezos, Paul Allen, and Sir Richard Branson; Dutch reality show and space mission Mars One; NASA; and the Chinese government are among the many groups competing to plant the first stake on Mars and open the door for human habitation. Why go to Mars? Life on Mars has potential life-saving possibilities for everyone on earth. Depleting water supplies, overwhelming climate change, and a host of other disasters—from terrorist attacks to meteor strikes—all loom large. We must become a space-faring species to survive. We have the technology not only to get humans to Mars, but to convert Mars into another habitable planet. It will likely take 300 years to “terraform” Mars, as the jargon goes, but we can turn it into a veritable second Garden of Eden. And we can live there, in specially designed habitations, within the next twenty years. In this exciting chronicle, Petranek introduces the circus of lively characters all engaged in a dramatic effort to be the first to settle the Red Planet. How We’ll Live on Mars brings firsthand reporting, interviews with key participants, and extensive research to bear on the question of how we can expect to see life on Mars within the next twenty years.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 588
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Book Description
Author: Robert Boyle
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 679
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Book Description
