Books
3 results found| Title | Authors | Description | OpenBook ID | |
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Dirty air | Ellen Lawrence | How clean is the air we breathe? What gases do cars and factories produce? Is it true that gases, dust, and other types of pollution in the air can make us ill? What is acid rain, and why does it hur… | OL19980813W |
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Mars | Ellen Lawrence | "Millions of miles from Earth, a cold, dusty world circles the Sun. The sky looks pink, and the ground is red. This planet is home to one of the solar system's biggest volcanoes and deepest canyons. … | OL20900487W |
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Enormous Ears and Soft Brown Hair | Ellen Lawrence | 1 volume : 17 cm | OL21612851W |