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Science understandings. The environment
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Book Item
Discusses Earth's different ecosystems and various methods of preserving them.
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Authors
Walker, Colin, 1934-
Subjects
Agricultural ecology.
Conservation of natural resources.
Earth sciences.
Environmental protection.
Food chains (Ecology)
Forests and forestry --Environmental aspects.
Nature --Effect of human beings on.
Recycling (Waste, etc.)
ESL Circulating Collection
Language
English
Series
Science understandings. The environment
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MARC
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Summary Note
Discusses Earth's different ecosystems and various methods of preserving them.
Content Note
1Teacher's Guide & 8 books: -- Ecology-plants and animals -- Food farming -- Forests forever -- Great garbage mountain, The -- Oceans of fish -- Our changing atmosphere -- Our storehouse Earth -- We need energy.
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