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The top documents tagged [spraying of ddt]
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spraying of ddt
The history of DDT ENT 5009, S 2011 Vera Krischik Entomology, U Minnesota.
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Environmental Chemistry
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Silent Springs Rachel Carson Michael Crawley Anup Shah April Quijano.
225 views
Harmful Effects of DDT on the Earth By: Ligaya Madamba.
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Harmful Effects of DDT on the Earth
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Rachel Carson
64 views