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1
Why are some beaches oily? /
Published 1992Subjects: “…Environmental aspects Juvenile literature.…”
Full Text (via Internet Archive)
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2
Why are some beaches oily? /
Published 1992Subjects: “…pollution of water Juvenile literature.…”
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3
What causes acid rain? /
Published 1992Subjects: “…Pollution Juvenile literature.…”
Full Text (via Internet Archive)
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4
How is paper made? /
Published 1993Subjects: “…Papermaking Juvenile literature.…”
Full Text (via Internet Archive)
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5
How is paper made? /
Published 1993Subjects: “…Papermaking Juvenile literature. http://id.loc.gov/authorities/subjects/sh2010105040.…”
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6
What causes acid rain? /
Published 1992Subjects: “…Environmental aspects Juvenile literature. http://id.loc.gov/authorities/subjects/sh2009113478.…”
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